2 certified models
RELIANCE WATER HEATERS commercial water heaters
Every RELIANCE WATER HEATERS water heater certified under ENERGY STAR and listed for the US market, fastest first. Each model page has the full certified specs and comparable machines from other makers.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| BTH 199* 3** | Gas Storage | Gas, Propane | 100 gal | 199 kBtu/h |
| BTH-199* 4** | Gas Storage | Gas, Propane | 100 gal | 200 kBtu/h |
Source: ENERGY STAR certification data, US EPA. Data build 2026-09-29. Brand names are as the maker certified them, with obvious variant spellings merged.