HTP Gas Water Heaters
HTP filters
HTP Phoenix Light Duty 130-Gallon Condensing Water Heater
HTP UFT-140 140 MBH Combi Boiler
HTP Versa-Hydro 110 MBH Combination Water Heater & Boiler
HTP Gas Water Heaters: buyer's guide
HTP offers 4 gas water heaters models in the lineup we track. This page is the HTP-specific cut of the broader Gas Water Heaters water heaters category — same product class, narrowed to the HTP catalog only.
About HTP
HTP (Heat Transfer Products) — combi boilers, Phoenix direct-fired, Versa-Hydro hybrid.
For the complete HTP lineup across all sub-types and capacities, see the HTP Water Heaters hub.
HTP Gas Water Heaters models we track
- HTP UFT-199 199 MBH Combi Boiler (UFT-199) — HTP UFT-199 199 MBH wall-hung condensing combi boiler. 5.6 GPM DHW. Largest residential UFT. Lifetime heat exchanger warranty. Made in USA (Massachusetts).
- HTP Phoenix Light Duty 130-Gallon Condensing Water Heater (Phoenix-LD-130) — HTP Phoenix Light Duty 130-gallon condensing direct-fired water heater. 96% TE. Stainless heat exchanger. Light commercial / large residential applications.
- HTP UFT-140 140 MBH Combi Boiler (UFT-140) — HTP UFT-140 140 MBH wall-hung condensing combi boiler. 4.0 GPM DHW. Stainless single-coil heat exchanger. Lifetime residential heat exchanger warranty. 95% AFUE...
- HTP Versa-Hydro 110 MBH Combination Water Heater & Boiler (Versa-Hydro-110) — HTP Versa-Hydro 110 MBH combination tank water heater and boiler. Hybrid design: storage tank for DHW + heating loop for hydronic. Unique single-appliance hybri...
Other Gas water heaters brands
If you're cross-shopping gas water heaters beyond HTP, the following brands also ship in this category:
About Gas Water Heaters water heaters
Natural gas water heaters dominate US residential water heating where natural gas service is available — roughly 49% of US homes have gas water heaters. They split into tank (40/50/75/80-gallon storage with gas burner) and tankless (on-demand condensing) sub-types, with venting variations (atmospheric chimney, power-vent PVC, direct-vent sealed combustion) that determine which install scenarios fit.
- Operating cost: natural gas is consistently the cheapest residential water heater fuel by per-BTU pricing in most US markets — typically 50–60% of equivalent electric resistance cost
- Recovery speed: a 40,000 BTU gas burner delivers ~40 GPH at 90°F rise — tw...
For the complete gas buyer's guide (all brands, full comparison framework), see the Gas Water Heaters category hub.
Other HTP filters
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