6 certified models

Trinity commercial water heaters

Every Trinity 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
LX300WH	Gas Tankless	Gas, Propane	2 gal	275 kBtu/h
LX400WH	Gas Tankless	Gas, Propane	2 gal	399 kBtu/h
LX500WH	Gas Tankless	Gas, Propane	3 gal	500 kBtu/h
LX600WH	Gas Tankless	Gas	4 gal	600 kBtu/h
LX700WH	Gas Tankless	Gas	5 gal	700 kBtu/h
LX800WH	Gas Tankless	Gas	5 gal	800 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.