| Ambassador | Axia 20E | Water | Gas | 86.9 | Axia 20E |
| Ambassador | Axia 29E | Water | Gas | 85.7 | Axia 29E |
| Ambassador | BMS 10/20 | Water | Gas | 88.2 | BMS 10/20 |
| American Standard | APFWF | Water | Oil | 85.5-86.7 | All models beginning with APFWF |
| Axeman-Anderson | Money Saver NPO Series | Water | Oil | 85.0 | 87NPO |
| Axeman-Anderson | Money Saver NPO Series | Water | Oil | 85.3 | 74NPO |
| Axeman-Anderson | Money Saver NPO Series | Water | Oil | 85.8 | 87NPO-U |
| Axeman-Anderson | Money Saver NPO Series | Water | Oil | 85.9 | 108NPO-U |
| Axeman-Anderson | Money Saver NPO Series | Water | Oil | 86.1 | 128NPO-U |
| Axeman-Anderson | Money Saver NPO Series | Water | Oil | 86.5 | 74NPO-U |
| Axeman-Anderson | WL Series | Water | Oil | 85 | WL182 |
| Axeman-Anderson | WL Series | Water | Oil | 85.1 | WL140 |
| Axeman-Anderson | WL Series | Water | Oil | 86 | WL119 |
| Axeman-Anderson | WL Series | Water | Oil | 86 | WL165 |
| Axeman-Anderson Co. | Olympia I OL Series | Water | Oil | 85.2 | OL105 |
| Axeman-Anderson Co. | Olympia I OL Series | Water | Oil | 86.4 | OL91 |
| Baxi | Luna | Water | Gas | 85.5 | Luna 1.31 Comfort |
| Baxi | Luna | Water | Gas | 85.5 | Luna 310 Comfort |
| Baxi | Luna | Water | Gas | 92.5 | Luna HT 1.100 |
| Baxi | Luna HT | Water | Gas | 92.5 | Luna HT 1.330 |
| Baxi | Luna HT | Water | Gas | 92.5 | Luna HT 1.450 |
| Baxi | Luna HT | Water | Gas | 92.5 | Luna HT 1.650 |
| Baxi | Luna HT | Water | Gas | 92.5 | Luna HT 330 |
| Baxi | Luna HT | Water | Gas | 92.5 | Luna HT 380 |
| Baxi | Luna Wall Hung Boiler | | Gas | 85.5 | Luna 131 FI |
| Baxi | Luna Wall Hung Boiler | | Gas | 85.5 | Luna 310 Fi |
| BIASI, SpA | B10 Series | Water | | 85.0-85.8 | B3-B9 |
| BIASI, SpA | BIASI SG | Water | | 85.1-87.8 | SG2-SG6 |
| BIASI, SpA | Riva Plus | Water | Gas | 90.0 | Combi M135.30CM |
| BIASI, SpA | Riva Plus | Water | Gas | 90.0 | Heat Only M135.3CR |
| Boyertown Furnace | SOLAIA | Water | Gas | 85.0 | SL375 |
| Boyertown Furnace | SOLAIA | Water | Gas | 85.1 | SL4100 |
| Boyertown Furnace | SOLAIA | Water | Gas | 85.1 | SL5125 |
| Boyertown Furnace | SOLAIA | Water | Gas | 85.1 | SL6150 |
| Boyertown Furnace | SOLAIA | Water | Oil | 85.0 | SL375 |
| Boyertown Furnace | SOLAIA | Water | Oil | 85.0 | SL7175 |
| Boyertown Furnace | SOLAIA | Water | Oil | 85.0 | SLD375 |
| Boyertown Furnace | SOLAIA | Water | Oil | 86.1 | SL4100 |
| Boyertown Furnace | SOLAIA | Water | Oil | 86.1 | SLD4100 |
| Boyertown Furnace | SOLAIA | Water | Oil | 86.4 | SL6150 |
| Boyertown Furnace | SOLAIA | Water | Oil | 86.5 | SL5125 |
| Boyertown Furnace | SOLAIA | Water | Oil | 86.5 | SLD5125 |
| Bryant | BW4 | Water | Oil | 85.3 | BW4BAH-105 |
| Bryant | BW4 | Water | Oil | 85.3 | BW4RAH-105 |
| Bryant | BW4 | Water | Oil | 86.0 | BW4BAH-126 |
| Bryant | BW4 | Water | Oil | 86.0 | BW4RAH-126 |
| Bryant | BW4 | Water | Oil | 86.3 | BW4BAH-91 |
| Bryant | BW4 | Water | Oil | 86.3 | BW4RAH-91 |
| Bryant | BW4 | Water | Oil | 86.5 | BW4BAH-168 |
| Bryant | BW4 | Water | Oil | 86.5 | BW4RAH-168 |
| Bryant | BW5 | Water | Oil | 85.3 | BW5BAH-105 |
| Bryant | BW5 | Water | Oil | 86.0 | BW5BAH-126 |
| Bryant | BW5 | Water | Oil | 86.3 | BW5BAH-91 |
| Bryant | BW5 | Water | Oil | 86.5 | BW5BAH-168 |
| Bryant | BW5 | Water | Oil | 86.5 | BW5RAH-168 |
| Bryant | BW9 | Water | Gas | 90 | All models beginning with BW9 |
| Buderus | G115 | Water | Oil | 86.0-86.8 | G115/21, /28, /34 |
| Buderus | G115WS | Water | Oil | 86.0 | G115WS/5 |
| Buderus | G115WS | Water | Oil | 86.5 | G115WS/3 |
| Buderus | G115WS | Water | Oil | 86.8 | G115WS/4 |
| Buderus | G124x | Water | Gas | 85 | G124x/DI/18, /25, /32 |
| Buderus | G125BE | Water | Oil | 89.05 | G125BE/34 |
| Buderus | G125BE | Water | Oil | 89.42 | G125BE/28 |
| Buderus | G125BE | Water | Oil | 89.75 | G125BE/21 |
| Buderus | G215 | Water | Oil | 86.0-86.3 | G215/3, /4, /5, /6 models |
| Buderus | G215 | Water | Oil | 86.7 | G215/7 |
| Buderus | GA124 | Water | Gas | 85.0-85.2 | GA124/17, /23, 30 |
| Buderus | GA244 | Water | Gas | 85 | GA244 - models 37,44 |
| Buderus | GB125BE | Water | Oil | 93.4 | GB125BE/22 |
| Buderus | GB125BE | Water | Oil | 93.4 | GB125BE/30 |
| Buderus | GB125BE | Water | Oil | 93.4 | GB125BE/35 |
| Buderus | GB142 | Water | Gas | 94.1 | GB142/30 |
| Buderus | GB142 | Water | Gas | 95.4 | GB142/24 |
| Buderus | GB142 | Water | Gas | 95.4 | GB142/45 |
| Buderus | GB142 | Water | Gas | 95.5 | GB142/60 |
| Buderus | GB162 | Water | Gas | 93.9 | GB162/80 |
| Burnham Hydronics | Alpine | | Nat. & LP Gas | 95.0 | ALP080, ALP105, ALP150, ALP210 & ALP285 |
| Burnham Hydronics | CHG | Water | Nat/LP Gas | 93.1 | CHG150 |
| Burnham Hydronics | CHG | Water | Nat/LP Gas | 94.2 | CHG225 |
| Burnham Hydronics | Enhanced Series 2 (ES2) | Water | Gas | 85 | All models beginning with ES2 |
| Burnham Hydronics | Freedom | Water | Gas | 94.5-95.4 | FCM070, FCM090, FCM120 |
| Burnham Hydronics | LE, LEDV Series | Water | Oil | 86.7 | LE-1, LEDV-1 |
| Burnham Hydronics | MegaSteam | Steam | Oil | 86.0 | MST288, MST396, MST513, MST629 |
| Burnham Hydronics | MPO | Water | Oil | 87 | MPO115 |
| Burnham Hydronics | MPO | Water | Oil | 87 | MPO84, MPO147, MPO189, MPO231 |
| Burnham Hydronics | MPODV | Water | Oil | 87 | MPO84DV, MPO147DV, MPO189DV, MPO231DV |
| Burnham Hydronics | PVG | Water | Nat/LP Gas | 85-85.5 | PVG3, PVG4, PVG5, PVG6, PVG7 |
| Burnham Hydronics | Revolution | Water | Gas | 87-88 | RV3, RV4, RV5, RV6, RV7 |
| Burnham Hydronics | SCG | Water | Nat/LP Gas | 85-85.5 | SCG3, SCG4, SCG5, SCG6, SCG7 |
| Burnham Hydronics | V8 | Steam | Oil | 85.1-85.7 | V83S, V84S, V85S, V86S |
| Burnham Hydronics | V8 | Water | Oil | 85-86.3 | V83W, V84W, V85W, V86W, V87W |
| Burnham Hydronics | V8H | Steam | Oil | 85.1 | V8H3S |
| Burnham Hydronics | V8H | Steam | Oil | 85.3 | V8H4S |
| Burnham Hydronics | V8H | Steam | Oil | 85.4 | V8H5S |
| Burnham Hydronics | V8H | Steam | Oil | 85.7 | V8H6S |
| Burnham Hydronics | V8H | Water | Oil | 85.0 | V8H3W |
| Burnham Hydronics | V8H | Water | Oil | 85.0 | V8H7W |
| Burnham Hydronics | V8H | Water | Oil | 85.3 | V8H4W |
| Burnham Hydronics | V8H | Water | Oil | 85.3 | V8H5W |
| Burnham Hydronics | V8H | Water | Oil | 85.3 | V8H6W |
| Camus Hydronics | DynaMax | Water | Gas | 91.4 | DM150 |
| Carrier | Performance 86 | Water | Oil | 85.3 | BW4BAH-105 |
| Carrier | Performance 86 | Water | Oil | 85.3 | BW4RAH-105 |
| Carrier | Performance 86 | Water | Oil | 85.3 | BW5BAH-105 |
| Carrier | Performance 86 | Water | Oil | 85.3 | BW5RAH-105 |
| Carrier | Performance 86 | Water | Oil | 86.0 | BW4BAH-126 |
| Carrier | Performance 86 | Water | Oil | 86.0 | BW4RAH-126 |
| Carrier | Performance 86 | Water | Oil | 86.0 | BW5BAH-126 |
| Carrier | Performance 86 | Water | Oil | 86.0 | BW5RAH-126 |
| Carrier | Performance 86 | Water | Oil | 86.3 | BW4BAH-91 |
| Carrier | Performance 86 | Water | Oil | 86.3 | BW4RAH-91 |
| Carrier | Performance 86 | Water | Oil | 86.3 | BW5BAH-91 |
| Carrier | Performance 86 | Water | Oil | 86.3 | BW5RAH-91 |
| Carrier | Performance 86 | Water | Oil | 86.5 | BW4BAH-168 |
| Carrier | Performance 86 | Water | Oil | 86.5 | BW4BRAH-168 |
| Carrier | Performance 86 | Water | Oil | 86.5 | BW5BAH-168 |
| Carrier | Performance 86 | Water | Oil | 86.5 | BW5RAH-168 |
| Carrier | Performance 90 | Water | Gas | 90 | All models beginning with BW9 |
| Clean Burn Inc. | Coil Tube Boiler | Water | Oil | 86.48 | CB-200-CTB |
| Climate Energy | CE95M | Water | Gas | 95.0 | All models beginning with CE95M |
| Columbia Boiler Company | Casco Bay CBX | Water | Oil | 85.5 | CBX 125WC, CBX 125WC-DV |
| Columbia Boiler Company | Casco Bay CBX | Water | Oil | 86.0 | CBX 110WC, CBX 110WC-DV |
| Columbia Boiler Company | Casco Bay CBX | Water | Oil | 86.5 | CBX 100WC, CBX 100WC-DV |
| Columbia Boiler Company | Casco Bay CBX | Water | Oil | 87 | CBX 90WC, CBX 90WC-DV |
| Columbia Boiler Company | CBX-90+ Series | Water | Oil | 89.3 | CBX-90+-110 |
| Columbia Boiler Company | CBX-90+ Series | Water | Oil | 89.7 | CBX-90+-100 |
| Columbia Boiler Company | CBX-90+ Series | Water | Oil | 90.2 | CBX-90+-90 |
| Columbia Boiler Company | CBX-LC Series | Water | Oil | 85.5 | CBX-LC-125 |
| Columbia Boiler Company | CBX-LC Series | Water | Oil | 86.0 | CBX-LC110 |
| Columbia Boiler Company | CBX-LC Series | Water | Oil | 86.5 | CBX-LC-100 |
| Columbia Boiler Company | CBX-LC Series | Water | Oil | 87.0 | CBX-LC-90 |
| Columbia Boiler Company | Emerald Series | Water | Oil | 85.0 | EM 3125 |
| Columbia Boiler Company | Emerald Series | Water | Oil | 85.5 | EM 3100 |
| Columbia Boiler Company | LV and LV-DV Series | Water | Oil | 85.2 | LV-75, LV-75 DV |
| Columbia Boiler Company | LV & LVD Series | Water | Oil | 85.0 | LV-125, LVD-125 |
| Columbia Boiler Company | LV Series | Water | Oil | 85.0 | LV 125 |
| Columbia Boiler Company | Solaia Series | Water | Oil | 85.0 | SL7175 |
| Columbia Boiler Company | Solaia Series | Water | Oil | 85.5 | SL375 |
| Columbia Boiler Company | Solaia Series | Water | Oil | 86.5 | SL4100 |
| Columbia Boiler Company | Solaia Series | Water | Oil | 86.9 | SL5125 |
| Columbia Boiler Company | Solaia Series | Water | Oil | 86.9 | SL6150 |
| Columbia Boiler Company | WB-II Series | Water | Oil | 85.0 | WB 165 |
| Columbia Boiler Company | WB-II Series | Water | Oil | 85.6 | WB 175 |
| Columbia Boiler Company | WB Series | Water | Oil | 85.0 | WB 125 |
| Columbia Boiler Company | WB Series | Water | Oil | 85.1 | WB 90, WB 90 DV |
| Columbia Boiler Company | WB & WB-DV Series | Water | Oil | 85.0 | WB-125, WB-125 DV |
| Conematic Heating Systems Inc. | Boilers | Water | Natural Gas | 90 | CM-1 |
| Conematic Heating Systems Inc. | Boilers | Water | Natural Gas | 90 | CM-RU |
| Conematic Heating Systems Inc. | Hydronic Boiler & Demand Water Heater | Water | Natural Gas | 90 | CM-1 |
| Conematic Heating Systems Inc. | Hydronic Boiler Radiant Unit | Water | Natural Gas | 90 | CM-RU |
| Conematic Heating Systems Inc. | Sol | Water | Gas | 90.7 | Sol r3 LPG |
| Conematic Heating Systems Inc. | Sol | Water | Natural Gas | 89 | Sol r3 NG |
| Conematic Heating Systems Inc. | | Water | Gas | 90.7 | Sol r2 LPG |
| Conematic Heating Systems Inc. | | Water | Natural Gas | 89 | Sol r2 NG |
| Crown Boiler Co. | BIMINI | Water | Gas | 93.1-95.4 | BWC070 - BWC225 |
| Crown Boiler Co. | Cabo II | Water | Gas | 85.1- 85.3 | CWD060, CWD083, CWD110, CWD138, CWD165, CWD193, CWD220, CWD245 |
| Crown Boiler Co. | Freeport | Water | Oil | 85.0 | ODV-75 |
| Crown Boiler Co. | Freeport | Water | Oil | 86.1-87.6 | CT-3, CT-4, CT-5, CT-6, CT-7 |
| Crown Boiler Co. | Kingston Series | Steam | Oil | 85.0 | KSZ090 |
| Crown Boiler Co. | Kingston Series | Steam | Oil | 85.1 | KSZ065 |
| Crown Boiler Co. | Kingston Series | Steam | Oil | 85.4 | KSZ120 |
| Crown Boiler Co. | MAUI | Water | Gas | 85.0 | MWC116 |
| Crown Boiler Co. | Tobago | Water | Oil | 85.1 | TWZ125 |
| Crown Boiler Co. | Tobago | Water | Oil | 85.8-86.1 | TWZ-065, TWZ-075, TWZ-090, TWZ-120 |
| Dexter Boilers | Boilers | Water | Oil | 86.3 | 25 |
| Dexter Boilers | Boilers | Water | Oil | 86.6 | 20 |
| Dunkirk Boilers | Empire Series | Steam | Oil | 85.0 | ESC365, ESC4100 |
| Dunkirk Boilers | Empire Series | Water | Oil | 85.2 -86.5 | 3EW.65T, 3EW.75T, 3EW.65Z, 3EW.75Z |
| Dunkirk Boilers | Empire Series | Water | Oil | 85.2 -86.5 | 4EW1.25T, 4EW1.50T, 4EW1.25Z, 4EW1.50Z |
| Dunkirk Boilers | Empire Series | Water | Oil | 85.2 -86.5 | 4EW.90T, 4EW.90Z |
| Dunkirk Boilers | Empire Series | Water | Oil | 85.2-86.5 | 5EW1.20T, 5EW1.20Z |
| Dunkirk Boilers | EV Series | Water | Gas | 85 | DPFG-3T, 4T, 5T, 6T, 8T |
| Dunkirk Boilers | EV Series | Water | Oil | 87.4 - 87.6 | All models ending in UDES or DES |
| Dunkirk Boilers | EV Series | Water | Oil | 87.4 - 87.6 | DFPO-3T, 4T, 5T, 6T, 8T |
| Dunkirk Boilers | EXCEL & IOR | Water | Oil | 85.8-86.5 | 4EXA075 |
| Dunkirk Boilers | EXCEL & IOR | Water | Oil | 85.8-86.5 | 5EXA100 |
| Dunkirk Boilers | EXCEL & IOR | Water | Oil | 85.8-86.5 | 6EXA130 |
| Dunkirk Boilers | EXCEL & IOR | Water | Oil | 85.8-86.5 | 7EXA165 |
| Dunkirk Boilers | Quantum | Water | Gas | 95 | Q95M 200 |
| Dunkirk Boilers | Quantum 90-200 | Water | Gas | 90 | Q90 -125, 150, 175, 200 |
| Dunkirk Boilers | Quantum 90 Series | Water | Gas | 90 | Q-90-50, -75, 100 |
| Dunkirk Boilers | Quantum Leap (QL) Series | Water | Gas | 95 | QL-100 |
| ECR International | Freewatt | Water | Gas | 95.0 | Models beginning with FW95M |
| EFM | PK 400 Series | Water | Oil | 85.1 | 0.50 GPH |
| EFM | PK 440 Series | Water | Oil | 85.2 | 1.10 GPH |
| EFM | PK 440 Series | Water | Oil | 85.5 | 1.00 GPH |
| EFM | PK 440 Series | Water | Oil | 85.8 | 0.85 GPH |
| EFM | PK 450 Series | Water | Oil | 86.2 | 0.85 GPH |
| EFM | PK Ultra Series | Water | Oil | 89.3 | PK Ultra-110 |
| EFM | PK Ultra Series | Water | Oil | 89.7 | PK Ultra-100 |
| EFM | PK Ultra Series | Water | Oil | 90.2 | PK Ultra-90 |
| EFM | SPK 600 Series | Water | Oil | 85.4 | 1.35 GPH |
| EFM | SPK 600 Series | Water | Oil | 85.6 | 1.25 GPH |
| EFM | SPK 600 Series | Water | Oil | 85.7 | 1.10 GPH |
| EFM | VT 1000 Series | Water | Oil | 85.2 | 1.10 GPH |
| EFM | VT-2100 Series | Water | Oil | 85.5 | 1.00 GPH |
| EFM | VT-2125 Series | Water | Oil | 85.0 | 1.25 GPH |
| EFM | VT 700 Series | Water | Oil | 85.1 | 0.65 GPH |
| Embassy | Onex | Water | Gas | 93.0 | Cosmo Gas 45WN |
| Energy Kinetics | System 2000 | Water | Nat. Gas | 85 | EK2 Frontier (175,000 BTU/hr) |
| Energy Kinetics | System 2000 | Water | Nat. Gas | 85-86 | EK1 Frontier (80,000 to 100,000 BTU/hr) |
| Energy Kinetics | System 2000 | Water | Propane | 85-87 | EK2 Frontier (175,000 to 235,000 BTU/hr) |
| Energy Kinetics | System 2000 | Water | Propane | 86-88 | EK1 Frontier (80,000 to 150,000 BTU/hr) |
| Energy Kinetics | System 2000 | Water | Oil | 85.5-87.5 | EK2 Frontier & Rear Service (1.2 to 1.6 GPH) |
| Energy Kinetics | System 2000 | Water | Oil | 86.2-87.9 | EK1 Frontier & Rear Service (.68 to 1.0 GPH) |
| Excel | JS | Water | Gas | 86 | All series beginning with JS |
| Hamilton Engineering | EVO micro | Water | Gas | 93.7 | All models beginning with HWD - 129, 179, 199ASME, 299ASME |
| Hamilton Engineering | EVO micro | Water | Gas | 93.7 | All models beginning with HWH - 129, 129.8, 179, 179.8 |
| Hamilton Engineering | EVO micro | Water | Gas | 93.7 | All models beginning with HWH - 199, 199ASME, 299, 299ASME |
| Heat Transfer Products, Inc. | Elite | Water | Gas | 94.0 | EL-110 |
| Heat Transfer Products, Inc. | Elite | Water | Gas | 94.0 | EL-150 |
| Heat Transfer Products, Inc. | Elite | Water | Gas | 94.4 | EL-80 |
| Heat Transfer Products, Inc. | Elite | Water | Gas | 96.0 | EL-299 |
| Heat Transfer Products, Inc. | Elite | Water | Gas | 98.0 | EL-220 |
| Heat Transfer Products, Inc. | Gas Fired Condensing Boiler | Water | Gas | 95.1 | Munchkin 140M |
| Heat Transfer Products, Inc. | Gas Fired Condensing Boiler | Water | Gas | 95.1 | Munchkin 199M |
| Heat Transfer Products, Inc. | Gas Fired Condensing Boiler | Water | Gas | 95.1 | Munchkin 80M |
| Heat Transfer Products, Inc. | Gas Fired Condensing Boiler | Water | Gas | 95.1 | Munchkin T50M |
| Heat Transfer Products, Inc. | Gas Fired Condensing Boiler | Water | Gas | 95.1 | Munchkin T80M |
| Heat Transfer Products, Inc. | Munchkin | Water | Gas | 93 | Munchkin Contender MC 120 |
| Heat Transfer Products, Inc. | Munchkin | Water | Gas | 93 | Munchkin Contender MC 50 |
| Heat Transfer Products, Inc. | Munchkin | Water | Gas | 93 | Munchkin Contender MC 80 |
| Heat Transfer Products, Inc. | Munchkin | Water | Gas | 93 | Munchkin Contender MC 99 |
| Hydrotherm | KN | Water | Gas | 92.7 | KN-2 |
| Hydrotherm | PB Series | Steam | Oil | 85.1-86.2 | PB-S-3(T) |
| Hydrotherm | PB Series | Steam | Oil | 85.1-86.2 | PB-S-4(T) |
| Hydrotherm | PB Series | Steam | Oil | 85.1-86.2 | PB-S-5(T) |
| Hydrotherm | PB Series | Steam | Oil | 85.1-86.2 | PB-S-6(T) |
| Hydrotherm | PB Series | Water | Oil | 85.1-86.2 | PB-W-3(T) |
| Hydrotherm | PB Series | Water | Oil | 85.1-86.2 | PB-W-4(T) |
| Hydrotherm | PB Series | Water | Oil | 85.1-86.2 | PB-W-5(T) |
| Hydrotherm | PB Series | Water | Oil | 85.1-86.2 | PB-W-6(T) |
| Hydrotherm Boilers | GX Series | Water | Gas | 92.7 | GX-150 |
| Hydrotherm Boilers | GX Series | Water | Gas | 92.7 | GX-200 |
| Hydrotherm Boilers | PB Series | Steam | Oil | 85.1-86.2 | PB-S-3(T), PB-S-4(T), PB-S-5(T), PB-S-6(T) |
| Hydrotherm Boilers | PB Series | Water | Oil | 85.1-86.2 | PB-W-3(T), PB-W-4(T), PB-W-5(T), PB-W-6(T) |
| Hydrotherm Boilers | Pulse | Water | Gas | 90.3-90.6 | AM-100, AM-150, AM-300 |
| Hydrotherm Boilers | Sabre Series | Water | Gas | 86.0-86.5 | FX-70, FX-105, FX-140, FX-175, FX-200 |
| IBC Technologies Inc. | Virtual Fuel Cell | Water | Gas | 92.6 | VFC 15-150 / 45-225 |
| LAARS Heating Systems Company | 9600 CB | Water | Gas | 88.6 | CB-M2 |
| LAARS Heating Systems Company | Endurance | Water | Gas | 85.5 | ED |
| LAARS Heating Systems Company | Mascot | Water | Gas | 92.5 | HT |
| LAARS Heating Systems Company | Mini-therm | Water | Gas | 85 | JVS-50 |
| LAARS Heating Systems Company | Mini-Therm | Water | Gas | 85 | JVS-75 |
| LAARS Heating Systems Company | Neotherm | Water | Gas | 95.6 | NT |
| LAARS Heating Systems Company | Pennant | Water | Gas | 85.5 | PNCH |
| LAARS Heating Systems Company | Summit | Water | Gas | 90.5 | SMB |
| Lennox | Conservator | Water | Gas | 90 | GWB9-050IH |
| Lennox | Conservator | Water | Gas | 90 | GWB9-075IH |
| Lennox | Conservator | Water | Gas | 90 | GWB9-100IH |
| Lennox | Conservator | Water | Oil | 85.2 | COWB2-3 |
| Lochinvar | Knight | Water | Gas | 95.3 | KBL080 |
| Lochinvar | Knight | Water | Gas | 95.3 | KBN080 |
| Lochinvar | Knight | Water | Gas | 95.4 | KBL105 |
| Lochinvar | Knight | Water | Gas | 95.4 | KBN105 |
| Lochinvar | Knight | Water | Gas | 95.5 | KBL150 |
| Lochinvar | Knight | Water | Gas | 95.5 | KBN150 |
| Lochinvar | Knight | Water | Gas | 95.7 | KBL210 |
| Lochinvar | Knight | Water | Gas | 95.7 | KBN210 |
| Lochinvar | Knight | Water | Gas | 96 | KBL285 |
| Lochinvar | Knight | Water | Gas | 96 | KBN285 |
| Lochinvar | Knight | Water | Gas | 95.3 | KBL081 |
| Lochinvar | Knight | Water | Gas | 95.3 | KBN081 |
| Lochinvar | Knight | Water | Gas | 95.4 | KBL106 |
| Lochinvar | Knight | Water | Gas | 95.4 | KBN106 |
| Lochinvar | Knight | Water | Gas | 95.5 | KBL151 |
| Lochinvar | Knight | Water | Gas | 95.5 | KBN151 |
| Lochinvar | Knight | Water | Gas | 95.7 | KBL211 |
| Lochinvar | Knight | Water | Gas | 95.7 | KBN211 |
| Lochinvar | Knight | Water | Gas | 96.0 | KBL286 |
| Lochinvar | Knight | Water | Gas | 96.0 | KBN286 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBL050 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBL051 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBL080 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBL081 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBN050 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBN051 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBN080 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.3 | WBN081 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.4 | WBL105 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.4 | WBL106 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.4 | WBN105 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.4 | WBN106 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.5 | WBL150 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.5 | WBL151 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.5 | WBN150 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.5 | WBN151 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.7 | WBL210 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.7 | WBL211 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.7 | WBN210 |
| Lochinvar | Knight Wall Mount | Water | Gas | 95.7 | WBN211 |
| Mestek | rAy | Water | Gas | 92.7 | rAy |
| Monitor Products, Inc. | Fully Condensing Boilers | Water | Oil | 92-97 | FCX fully condensing boiler |
| Monitor Products, Inc. | MZ-Wall Hung Condensing Boiler | Water | Gas | 95 | MZ 40C, MZ 25S, MZ 25C |
| Navien America | Combi CH-180 | Water | Gas | 91 | CH-180 |
| Navien America | Combi CH-210 | Water | Gas | 91 | CH-210 |
| Navien America | Combi CH-240 | Water | Gas | 92 | CH-240 |
| Newmac | | Water | Oil | 85.0 | NBR-120 |
| Newmac | | Water | Oil | 85.0 | NBR-122 |
| Newmac | | Water | Oil | 85.0 | NBR-126 |
| Newmac | | Water | Oil | 85.0 | NBR-140 |
| Newmac | | Water | Oil | 85.0 | NBR2-120 |
| Newmac | | Water | Oil | 85.0 | NBR2-122 |
| Newmac | | Water | Oil | 85.0 | NBR2-126 |
| Newmac | | Water | Oil | 85.0 | NBR2-140 |
| Newmac | | Water | Oil | 85.0 | NBR2-140V |
| Newmac | | Water | Oil | 85.1 | NBR-127 |
| Newmac | | Water | Oil | 85.1 | NBR2-127 |
| Newmac | | Water | Oil | 85.2 | NBR-113 |
| Newmac | | Water | Oil | 85.2 | NBR2-113 |
| Newmac | | Water | Oil | 85.3 | NBR-122V |
| Newmac | | Water | Oil | 85.3 | NBR2-122V |
| Newmac | | Water | Oil | 85.4 | NBR-109 |
| Newmac | | Water | Oil | 85.4 | NBR-111 |
| Newmac | | Water | Oil | 85.4 | NBR-126V |
| Newmac | | Water | Oil | 85.4 | NBR2-109 |
| Newmac | | Water | Oil | 85.4 | NBR2-111 |
| Newmac | | Water | Oil | 85.4 | NBR2-126V |
| Newmac | | Water | Oil | 85.5 | NBR-120V |
| Newmac | | Water | Oil | 85.5 | NBR-140V |
| Newmac | | Water | Oil | 85.5 | NBR2-120V |
| Newmac | | Water | Oil | 86.2 | NBR-109V |
| Newmac | | Water | Oil | 86.2 | NBR2-109V |
| Newmac | | Water | Oil | 86.3 | NBR-100 |
| Newmac | | Water | Oil | 86.3 | NBR-111V |
| Newmac | | Water | Oil | 86.3 | NBR2-100 |
| Newmac | | Water | Oil | 86.3 | NBR2-111V |
| Newmac | | Water | Oil | 86.4 | NBR2-96 |
| Newmac | | Water | Oil | 86.4 | NBR-96 |
| Newmac | | Water | Oil | 86.6 | NBR2-90 |
| Newmac | | Water | Oil | 86.6 | NBR2-98 |
| Newmac | | Water | Oil | 86.6 | NBR-90 |
| Newmac | | Water | Oil | 86.6 | NBR-98 |
| Newmac | | Water | Oil | 86.7 | NBR2-91 |
| Newmac | | Water | Oil | 86.7 | NBR-91 |
| Newmac | | Water | Oil | 87.2 | NBR2-96V |
| Newmac | | Water | Oil | 87.2 | NBR-96V |
| Newmac | | Water | Oil | 87.4 | NBR2-90V |
| Newmac | | Water | Oil | 87.4 | NBR2-98V |
| Newmac | | Water | Oil | 87.4 | NBR-90V |
| Newmac | | Water | Oil | 87.4 | NBR-98V |
| New Yorker Boiler Co | CI-HGS | Water | Oil | 85.8 | All models beginning with CI-HGS |
| New Yorker Boiler Co | CL Series | Water | Oil | 85.1 | CL3-105 |
| New Yorker Boiler Co | CL Series | Water | Oil | 85.7 | CL5-168 |
| New Yorker Boiler Co | CL Series | Water | Oil | 85.8 | CL4-126 |
| New Yorker Boiler Co | CL Series | Water | Oil | 86.0 | CL3-091 |
| New Yorker Boiler Co | FR-122-W | Water | Oil | 85.1 | FR-122-W |
| New Yorker Boiler Co | FR-147-W | Water | Oil | 86.7 | FR-147-W |
| New Yorker Boiler Co | FR-173-W | Water | Oil | 85.9 | FR-173-W |
| New Yorker Boiler Co | FR-205-W | Water | Oil | 86 | FR-205-W |
| New Yorker Boiler Co | FR-232-W | Water | Oil | 85.1 | FR-232-W |
| New Yorker Boiler Co | FR-98-W | Water | Oil | 86.4 | FR-98-W |
| New Yorker Boiler Co | FR-HGS | Water | Oil | 87.8 | FR-HGS |
| New Yorker Boiler Co | FR-HGS II | Water | Oil | 85 | FR-HGS II |
| New Yorker Boiler Company, Inc. | MicroTEK3 | Water | Oil | 86.7 | MicroTEK3-1 |
| New Yorker Boiler Company, Inc. | MicroTEK3DV | Water | Oil | 86.7 | MicroTEK3DV-1 |
| Noritz | 841 Series | Water | Gas | 88 | N-0841MC-DV (NG) |
| Noritz | 841 Series | Water | Gas | 88 | N-0841MC (N6) |
| Noritz | 841 Series | Water | Gas | 89 | N-0841MC-DV (LP) |
| Noritz | 841 Series | Water | Gas | 90 | N-0841MC (LP) |
| Northshore Welding | Rayes Boiler | Steam | Gas | 85 | S4 (Gas, Steam) |
| Northshore Welding | Rayes Boiler | Steam | Gas | 85 | S6 (Gas, Steam) |
| Northshore Welding | Rayes Boiler | Steam | Oil | 85 | S4 (Oil, Steam) |
| Northshore Welding | Rayes Boiler | Steam | Oil | 85 | S6 (Oil, Steam) |
| Northshore Welding | Rayes Boiler | Water | Gas | 85 | S4 (Gas, Water) |
| Northshore Welding | Rayes Boiler | Water | Gas | 85 | S6 (Gas, Water) |
| Northshore Welding | Rayes Boiler | Water | Oil | 85 | S4 (Oil, Water) |
| Northshore Welding | Rayes Boiler | Water | Oil | 85 | S6 (Oil, Water) |
| NTI | Caprice | Water | Oil | 85.1 | C340 |
| NTI | Caprice | Water | Oil | 85.2 | C305 |
| NTI | Caprice | Water | Oil | 85.5 | C250 |
| NTI | Caprice | Water | Oil | 85.7 | C275 |
| NTI | Caprice | Water | Oil | 85.8 | C105 |
| NTI | Caprice | Water | Oil | 86.2 | C125 |
| NTI | Caprice | Water | Oil | 86.8 | C230 |
| NTI | Caprice | Water | Oil | 86.9 | C85 |
| NTI | Caprice | Water | Oil | 87 | C95 |
| NTI | Caprice | Water | Oil | 87.6 | C220 |
| NTI | Matrix | Water | Gas | 92.7 | M100 |
| NTI | Odyssey | Water | Oil | 85 | CT120 |
| NTI | Odyssey | Water | Oil | 85 | CT250 |
| NTI | Odyssey | Water | Oil | 85.2 | CT150 |
| NTI | Odyssey | Water | Oil | 85.6 | CT230 |
| NTI | Odyssey | Water | Oil | 85.8 | CT215 |
| NTI | Trinity | Water | Gas | 95.1 | Lx150 |
| NTI | Trinity | Water | Gas | 95.1 | Lx200 |
| NTI | Trinity | Water | Gas | 95.1 | Ti 100 |
| NTI | Trinity | Water | Gas | 95.1 | Ti150 |
| NTI | Trinity | Water | Gas | 95.1 | Ti150c |
| NTI | Trinity | Water | Gas | 95.1 | Ti200 |
| NTI | Trinity | Water | Gas | 95.1 | Ti200c |
| NTI | Trinity | Water | Gas | 97.0 | Lx150e |
| NTI | Triton | Water | Oil | 85 | VS100 |
| NTI | Triton | Water | Oil | 85 | VS90 |
| NTI | Triton | Water | Oil | 86.7 | VS80 |
| OMEGA COMFORT | JLG | Water | Gas | 86 | JLG-28 |
| OMEGA COMFORT | OME | Water | Gas | 87 | OME620D |
| OMEGA COMFORT | TEK | Water | Gas | 87 | TEK 3 |
| Peerless | Cast 92 | Water | Gas | 92.7 | Cast 92-2 |
| Peerless | Cast 92 | Water | Gas | 92.7 | Cast 92-4 |
| Peerless (P.B. Heat) | EC/ECT | Steam | Oil | 85.1 | EC/ECT-04- 1.25 gph |
| Peerless (P.B. Heat) | EC/ECT | Steam | Oil | 85.4 | EC/ECT-03- .75 gph |
| Peerless (P.B. Heat) | EC/ECT | Steam | Oil | 85.6 | EC/ECT-05- 1.75 gph |
| Peerless (P.B. Heat) | EC/ECT | Water | Oil | 85.2 | EC/ECT-04- 1.50 gph |
| Peerless (P.B. Heat) | EC/ECT | Water | Oil | 85.2 | EC/ECT-05- 2.00 gph |
| Peerless (P.B. Heat) | EC/ECT | Water | Oil | 85.3 | EC/ECT-03- 1.00 gph |
| Peerless (P.B. Heat) | EC/ECT | Water | Oil | 86.1 | EC/ECT-04- 1.25 gph |
| Peerless (P.B. Heat) | EC/ECT | Water | Oil | 86.2 | EC/ECT-05- 1.75 gph |
| Peerless (P.B. Heat) | EC/ECT | Water | Oil | 86.6 | EC/ECT-03- .75 gph |
| Peerless (P.B. Heat) | PDE | Water | Gas | 85 | PDE-03, PDE-04, PDE-05 |
| Peerless (P.B. Heat) | Peerless Pinnacle Oil | Water | Oil | 91.3 | PO-84 |
| Peerless (P.B. Heat) | Peerless Pinnacle Oil | Water | Oil | 91.7 | PO-70 |
| Peerless (P.B. Heat) | Peerless Pinnacle Oil | Water | Oil | 91.8 | PO-84A |
| Peerless (P.B. Heat) | Peerless Pinnacle Oil | Water | Oil | 92 | PO-70A |
| Peerless (P.B. Heat) | Peerless Series PSC II | Water | Gas | 85 | PSCII-04-WPC |
| Peerless (P.B. Heat) | Peerless Series PSC II | Water | Gas | 85 | PSCII-05-WPC |
| Peerless (P.B. Heat) | Peerless Series PSC II | Water | Gas | 85.1 | PSCII-06-WPC |
| Peerless (P.B. Heat) | Peerless Series PSC II | Water | Gas | 86 | PSCII-03-WPC |
| Peerless (P.B. Heat) | Pinnacle | Water | Gas | 95.1 | PI-80, PI-140, PI-199 |
| Peerless (P.B. Heat) | Pinnacle | Water | Gas | 95.1 | PI-T50, PI-T80 |
| Peerless (P.B. Heat) | PRO Series | Water | Oil | 85.2 | PRO-04-100 |
| Peerless (P.B. Heat) | PRO Series | Water | Oil | 85.2 | PRO-05-125 |
| Peerless (P.B. Heat) | PRO Series | Water | Oil | 85.4 | PRO-03-060 |
| Peerless (P.B. Heat) | PRO Series | Water | Oil | 86.4 | PRO-04-080 |
| Peerless (P.B. Heat) | PRO Series | Water | Oil | 86.5 | PRO-05-100 |
| Peerless (P.B. Heat) | PureFire | Water | Gas | 95.0 | PF-50 |
| Peerless (P.B. Heat) | PureFire | Water | Gas | 95.2 | PF-80 |
| Peerless (P.B. Heat) | PureFire | Water | Gas | 95.3 | PF-140 |
| Peerless (P.B. Heat) | PureFire | Water | Gas | 95.8 | PF-110 |
| Peerless (P.B. Heat) | PureFire | Water | Gas | 97.3 | PF-210 |
| Peerless (P.B. Heat) | WBV | Steam | Oil | 85.3 | WBV-04-1.25gph |
| Peerless (P.B. Heat) | WBV | Water | Oil | 85.0 | WBV-03-1.05 gph |
| Peerless (P.B. Heat) | WBV | Water | Oil | 85.1 | WBV-04-1.5 gph |
| Peerless (P.B. Heat) | WBV | Water | Oil | 85.4 | WBV-04-1.25gph |
| Peerless (P.B. Heat) | WBV | Water | Oil | 86.2 | WBV-03-.85gph |
| Peerless (P.B. Heat) | WBV | Water | Oil | 87 | WBV-04-.95 gph |
| Peerless (P.B. Heat) | WBV | Water | Oil | 87.5 | WBV-03-.60 gph |
| Peerless (P.B. Heat) | WV | Water | Oil | 85.0 | WV-05-1.95 gph |
| Peerless (P.B. Heat) | WV | Water | Oil | 85.5 | WV-05-1.75gph |
| Peerless (P.B. Heat) | WV-DV | Water | Oil | 85.9 | WV-DV-03-WPC-.85gph |
| Peerless (P.B. Heat) | WV-DV | Water | Oil | 85.9 | WV-DV-03-WPCT-.85gph |
| Peerless (P.B. Heat) | WV-DV | Water | Oil | 86 | WV-DV-04 WPC 1.30gph |
| Peerless (P.B. Heat) | WV-DV | Water | Oil | 86.7 | WV-DV-03 WPC-.75gph |
| Peerless (P.B. Heat) | WV-DV | Water | Oil | 86.7 | WV-DV-03 WPCT-.75gph |
| Peerless (P.B. Heat) | WV-DV | Water | Oil | 86.7 | WV-DV-04 WPC 1.15gph |
| Pennco | Keystone Series | Steam | Oil | 85.0 | KSC365, KSC4100 |
| Pennco | Keystone Series | Water | Oil | 85.1 | 4K1.50 |
| Pennco | Keystone Series | Water | Oil | 85.6 | 3K0.75 |
| Pennco | Keystone Series | Water | Oil | 85.9 | 4K1.25 |
| Pennco | Keystone Series | Water | Oil | 86 | 4K0.90 |
| Pennco | Keystone Series | Water | Oil | 86.1 | 3K0.60 |
| Pennco | Keystone Series | Water | Oil | 86.1 | 5K1.20 |
| Pensotti | Blueline | Water | Oil | 86.5 | BL3- 50 HE |
| Pensotti | Blueline | Water | Oil | 86.5 | BL4-75 HE |
| Pensotti | BlueLine | Water | Oil | 86.5 | BL5-95 |
| Pensotti | BlueLine | Water | Oil | 86.5 | BL6-120 HE |
| Pensotti | BlueLine | Water | Oil | 86.5 | BL7-140HE |
| Pensotti | Heatline | Water | Oil | 85.1 | DK2-3 |
| Pensotti | Heatline | Water | Oil | 85.6 | DK2-5 |
| Pensotti | Heatline | Water | Oil | 86.4 | DK2-4 |
| Pensotti | Heatline | Water | Oil | 86.7 | DK2-6 |
| Pensotti | Heatline | Water | Oil | 86.9 | DK2-7 |
| Pensotti | Heatline | Water | Oil | 87.1 | DK2-7 |
| PurePro | Trio | Water | Oil | 85.0 | P3, P3D |
| PurePro | Trio | Water | Oil | 85.0 | P7 |
| PurePro | Trio | Water | Oil | 86.1 | P4, P4D |
| PurePro | Trio | Water | Oil | 86.4 | P6 |
| PurePro | Trio | Water | Oil | 86.5 | P5, P5D |
| Quietside | Quietside | Water | Gas | 90 | (M)DPW-099A |
| Quietside | Quietside | Water | Gas | 90 | (M)DPW-120A |
| Quietside | QVM8-OL | Water | Oil | 85 | QVM8-085/120/150 OL |
| Raypak Inc. | XPak | Water | Gas | 91.8 | XPak Model 85 |
| Raypak Inc. | XPak | Water | Gas | 92.6 | XPak Model 120 |
| Rinnai America Corporation | E Series Boiler | Water | Gas | 96.1 | E110CN |
| Rinnai America Corporation | E Series Boiler | Water | Gas | 96.1 | E110CP |
| Rinnai America Corporation | E Series Boiler | Water | Gas | 96.5 | E75CN |
| Rinnai America Corporation | E Series Boiler | Water | Gas | 96.5 | E75CP |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 95.7 | Q175CN |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 95.7 | Q175CP |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 95.7 | Q175SN |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 95.7 | Q205SN |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 95.7 | Q205SP |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 96.1 | Q130SN |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 96.1 | Q130SP |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 96.5 | Q85SN |
| Rinnai America Corporation | Q Series Boiler | Water | Gas | 96.5 | Q85SP |
| Sime | Planet Dewy | Water | Gas | 91.5 | 30BFT |
| Sime | Planet Dewy | Water | Gas | 92.0 | 60BFR |
| Sime | Planet Dewy | Water | Gas | 93.1 | 30/50BF |
| Slant/Fin Corporation | Bobcat | Water | Gas | 93 | B-120A |
| Slant/Fin Corporation | Bobcat | Water | Gas | 93 | B-200A |
| Slant/Fin Corporation | Bobcat | Water | Gas | 93.0 | B-120 |
| Slant/Fin Corporation | Bobcat | Water | Gas | 93.0 | B-200 |
| Slant/Fin Corporation | Eutectic | Water | Oil | 86.5 | EC-25,26 |
| Slant/Fin Corporation | Eutectic | Water | Oil | 87.0 | EC-13,14,15,16 |
| Slant/Fin Corporation | Eutectic | Water | Oil | 87.0 | EC-13DV,14DV,15,DV,16DV |
| Slant/Fin Corporation | Intrepid | Water | Oil | 86 | TR-30H,40H,50H |
| Slant/Fin Corporation | Intrepid (LDV) | Water | Oil | 86.2 | TRDV-30-1.10 |
| Slant/Fin Corporation | Intrepid (LDV) | Water | Oil | 87.2 | TRDV-30-0.85 |
| Slant/Fin Corporation | Intrepid (LDV) | Water | Oil | 87.5 | TRDV-30-1.00 |
| Slant/Fin Corporation | Liberty | Water | Oil | 86.0 | LD-30H |
| Slant/Fin Corporation | Liberty | Water | Oil | 86.0 | LD-40H |
| Slant/Fin Corporation | Liberty | Water | Oil | 86.0 | LD-50H |
| Slant/Fin Corporation | Lynx | Water | Gas | 94.0 | LX-85 |
| Slant/Fin Corporation | Lynx | Water | Gas | 95.0 | LX-85A |
| Slant/Fin Corporation | Victory | Water | Gas | 85.1 | VSPH-180 |
| Slant/Fin Corporation | Victory | Water | Gas | 85.2 | VSPH-150 |
| Slant/Fin Corporation | Victory | Water | Gas | 85.5 | VSPH-120 |
| Slant/Fin Corporation | Victory | Water | Gas | 85.7 | VSPH-90 |
| Slant/Fin Corporation | Victory | Water | Gas | 86.1 | VSPH-60 |
| Slant/Fin Corporation | XL-2000 | Water | Oil | 86.0 | XL-30H |
| Slant/Fin Corporation | XL-2000 | Water | Oil | 86.0 | XL-40H |
| Slant/Fin Corporation | XL-2000 | | | 85.0 | XL-30, XL-40, XL-50 |
| Smith | GC Series | Water | Gas | 93.0 | Cosmo Gas 45WN |
| Smith Boilers | 8 series | Steam | Oil | 85.1-86.2 | 8-S-3(T) |
| Smith Boilers | 8 series | Steam | Oil | 85.1-86.2 | 8-S-4(T) |
| Smith Boilers | 8 series | Steam | Oil | 85.1-86.2 | 8-S-5(T) |
| Smith Boilers | 8 series | Steam | Oil | 85.1-86.2 | 8-S-6(T) |
| Smith Boilers | 8 series | Water | Oil | 85.1-86.2 | 8-W-3(T) |
| Smith Boilers | 8 series | Water | Oil | 85.1-86.2 | 8-W-4(T) |
| Smith Boilers | 8 series | Water | Oil | 85.1-86.2 | 8-W-5(T) |
| Smith Boilers | 8 series | Water | Oil | 85.1-86.2 | 8-W-6(T) |
| Smith Cast Iron Boilers | 8 Series | Water | Oil | 85.1-86.2 | 8-W-3(T), 8-W-4(T), 8-W-5(T), 8-W-6(T) |
| Smith Cast Iron Boilers | GT Series | Water | Gas | 92.7 | GT-150, GT-200 |
| Smith Cast Iron Boilers | Lexington Series | | | 86.0-86.5 | GS110-3 through GS110-7 |
| Thermo-Dynamics Boiler Company | CWL Series | Water | Oil | 85 | CWL-85, CWL-85 DV |
| Thermo-Dynamics Boiler Company | HT & HT-DV Series | Water | Oil | 85.1 | HT 90, HT 90 DV |
| Thermo-Dynamics Boiler Company | HT & HT-DV Series | Water | Oil | 85.0 | HT-125, HT-125 DV |
| Thermo-Dynamics Boiler Company | HT-II Series | Water | Oil | 85.6 | HT-175 |
| Thermo-Dynamics Boiler Company | HT-II Series | Water | Oil | 86.0 | HT-165 |
| Thermo-Dynamics Boiler Company | LM & LM-DV Series | Water | Oil | 85.0 | LM-125 |
| Thermo-Dynamics Boiler Company | LM & LM-DV Series | Water | Oil | 85.2 | LM-75, LM-75 DV |
| Thermo-Dynamics Boiler Company | SPK 600 Series | Water | Oil | 85.4 | 1.35 GPH |
| Thermo-Dynamics Boiler Company | SPK 600 Series | Water | Oil | 85.6 | 1.25 GPH |
| Thermo-Dynamics Boiler Company | SPK 600 Series | Water | Oil | 85.7 | 1.10 GPH |
| Thermo-Dynamics Boiler Company | S Series | Water | Oil | 85.1 | STR-110 |
| Thermo-Dynamics Boiler Company | S Series | Water | Oil | 85.2 | STR-85 |
| Thermo-Dynamics Boiler Company | S Series | Water | Oil | 85.4 | STR-100 |
| Thermo-Dynamics Boiler Company | TDX-90+ Series | Water | Oil | 89.3 | TDX-90+ -110 |
| Thermo-Dynamics Boiler Company | TDX-90+ Series | Water | Oil | 89.7 | TDX-90+ -100 |
| Thermo-Dynamics Boiler Company | TDX-90+ Series | Water | Oil | 90.2 | TDX-90+ -90 |
| Thermo-Dynamics Boiler Company | TDX-LC Series | Water | Oil | 85.5 | TDX-LC-125 |
| Thermo-Dynamics Boiler Company | TDX-LC Series | Water | Oil | 86.0 | TDX-LC-110 |
| Thermo-Dynamics Boiler Company | TDX-LC Series | Water | Oil | 86.5 | TDX-LC-100 |
| Thermo-Dynamics Boiler Company | TDX-LC Series | Water | Oil | 87.0 | TDX-LC-90 |
| Thermo-Dynamics Boiler Company | TDX Series | Water | Oil | 85.5 | TDX 125WC, TDX 125WC-DV |
| Thermo-Dynamics Boiler Company | TDX Series | Water | Oil | 86.0 | TDX 110WC, TDX 110WC-DV |
| Thermo-Dynamics Boiler Company | TDX Series | Water | Oil | 86.5 | TDX 100WC, TDX 100WC-DV |
| Thermo-Dynamics Boiler Company | TDX Series | Water | Oil | 87 | TDX 90WC, TDX 90WC-DV |
| Thermoflo | GWS | Water | Gas | 85.0 | GWS-090E |
| Thermoflo | GWS | Water | Gas | 85.3 | GWS-063 |
| Toyotomi | Oil Miser | Water | Oil | 86.5 | OM-180 |
| Trane | TPFWF | Water | Oil | 85.5-86.7 | All models beginning with TPFWF |
| Triangle Tube | Delta | Water | Gas | 85.2-86.0 | PG PLUS-25, 30, 35, 40, 45, 150, 199 |
| Triangle Tube | Prestige | Water | Gas | 95 | Excellence 110 |
| Triangle Tube | Prestige | Water | Gas | 95 | Excellence 110P |
| Triangle Tube | Prestige | Water | Gas | 95 | Solo 110 |
| Triangle Tube | Prestige | Water | Gas | 95 | Solo 110P |
| Triangle Tube | Prestige | Water | Gas | 95 | Solo 175 |
| Triangle Tube | Prestige | Water | Gas | 95 | Solo 250 |
| Triangle Tube | Prestige | Water | Gas | 95.0 | Solo 60 |
| Ultimate | Ultimate Products | Water | Gas | 85 | PFG-3T, 4T, 5T, 6T, 8T |
| Ultimate | Ultimate Products | Water | Oil | 87.4-87.6 | PFO-3,4,5,7,9 and PF03T, 4T, 5T, 6T, 8T |
| Utica Boilers | BC-Series | Water | Oil | 86 | BC-3D, BC-4D |
| Utica Boilers | Starfire III Series | Steam | Oil | 85.0 | SFE365S |
| Utica Boilers | Starfire III Series | Steam | Oil | 85.0 | SFE4100S |
| Utica Boilers | Star Fire III Series | Water | Oil | 86 | SFH 365W, 4100W, 5125W, 6150W |
| Utica Boilers | TRIFIRE | Water | Oil | 85.8-86.5 | 4TRA075 |
| Utica Boilers | TRIFIRE | Water | Oil | 85.8-86.5 | 5TRA100 |
| Utica Boilers | TRIFIRE | Water | Oil | 85.8-86.5 | 6TRA130 |
| Utica Boilers | TRIFIRE | Water | Oil | 85.8-86.5 | 7TRA165 |
| Utica Boilers | UB | Water | Gas | 95 | UB95M 200 |
| Utica Boilers | UB90-100 | Water | Gas | 90 | UB90-50, UB90-75, UB90-100 |
| Utica Boilers | UB90-200 | Water | Gas | 90 | UB90-125, 150, 175, 200 |
| Utica Boilers | USC-Series | Water | Gas | 87 | USC-3, 4, 5 |
| Utica Heating | Keystone Water | Water | Oil | 85.1 | UH4KW1.50 |
| Utica Heating | Keystone Water | Water | Oil | 85.6 | UH3KW0.75 |
| Utica Heating | Keystone Water | Water | Oil | 85.9 | UH4KW1.25 |
| Utica Heating | Keystone Water | Water | Oil | 86 | UH4KW0.90 |
| Utica Heating | Keystone Water | Water | Oil | 86.1 | UH3KW0.60 |
| Viessmann | Vitodens 100 | Water | Gas | 95.1 | WB1 8-24 through WB1 8-30 |
| Viessmann | Vitodens 100 | Water | Gas | 95.2 | All models beginning with WB1B |
| Viessmann | Vitodens 200 | Water | Gas | 94.2 | WB26-24 through WB215-60 |
| Viessmann | Vitodens 200 | Water | Gas | 95.2 | WB2 6-24 through WB2 15-60 |
| Viessmann | Vitodens 200 | Water | Gas | 96.1 | All models beginning with WB2B |
| Viessmann | Vitogas 100 | Water | Gas | 85.4 - 85. | GS1-22 through GS1-60 |
| Viessmann | Vitola 200 | Water | Oil | 87.1 - 87. | VB2-18 through VB2-63 |
| Viessmann | Vitorond 100 | Water | Oil | 86.9 | VR1-22 through VRI-63 |
| Viessmann | Vitorond 200 | Water | Oil | 86.7 - 86. | VR2-18 through VR2-63 |
| Weil-McLain | CGi | Water | Gas | 85.0 | CGi-4E |
| Weil-McLain | CGi | Water | Gas | 85.1 | CGi-3 |
| Weil-McLain | CGs | Water | Gas | 85.0 | CGs-4E |
| Weil-McLain | CGS | Water | Gas | 85.3 | CGs-3 |
| Weil-McLain | GV | Water | Gas | 87.0 | GV-6 |
| Weil-McLain | GV | Water | Gas | 87.2 | GV-5 |
| Weil-McLain | GV | Water | Gas | 87.3 | GV-4 |
| Weil-McLain | GV | Water | Gas | 87.5 | GV-3 |
| Weil-McLain | Ultra | Water | Gas | 92.0 | Ultra 105 |
| Weil-McLain | Ultra | Water | Gas | 92.8 | Ultra 230 |
| Weil-McLain | Ultra | Water | Gas | 93.0 | Ultra 155 |
| Weil-McLain | Ultra | Water | Gas | 93.0 | Ultra 80 |
| Weil-McLain | Ultra Oil | Water | Oil | 86.2 | UO-4, 1.20GPH |
| Weil-McLain | Ultra Oil | Water | Oil | 86.5 | UO-3, 1.0GPH |
| Weil-McLain | Ultra Oil | Water | Oil | 86.5 | UO-3, .80GPH |
| Weil-McLain | Ultra Oil | Water | Oil | 86.5 | UO-5, 1.40GPH |
| Weil-McLain | Ultra Series 3-UE | Water | Gas | 95.2 | Ultra 80 |
| Weil-McLain | Ultra Series 3-UE | Water | Gas | 95.3 | Ultra 105 |
| Weil-McLain | Ultra Series 3-UE | Water | Gas | 95.4 | Ultra 230 |
| Weil-McLain | Ultra Series 3-UE | Water | Gas | 95.6 | Ultra 155 |
| Weil-McLain | Ultra Series 3-UE | Water | Gas | 96.4 | Ultra 299 |
| Weil-McLain | WGO | Water | Oil | 85.0 | WGO-4 |
| Weil-McLain | WGO | Water | Oil | 85.0 | WGO-5 |
| Weil-McLain | WGO | Water | Oil | 85.0 | WGO-6 |
| Weil-McLain | WGO | Water | Oil | 85.0 | WGO-7 |
| Weil-McLain | WGO | Water | Oil | 85.3 | WGO-3 |
| Weil-McLain | WGO | Water | Oil | 86.4 | WGO-2 |
| Weil-McLain | WTGO | Water | Oil | 85.0 | WTGO-4 |
| Weil-McLain | WTGO | Water | Oil | 85.0 | WTGO-5 |
| Weil-McLain | WTGO | Water | Oil | 85.0 | WTGO-6 |
| Weil-McLain | WTGO | Water | Oil | 85.0 | WTGO-7 |
| Weil-McLain | WTGO | Water | Oil | 85.3 | WTGO-3 |
| Williamson | GWS | Water | Gas | 85.0 | GWS-090E |
| Williamson | GWS | Water | Gas | 85.3 | GWS-063 |