Heat Transfer Products offers 1 6 gallon water heaters model in the lineup we track. This page is the Heat Transfer Products-specific cut of the broader 6-Gallon Water Heaters (Point-of-Use) water heaters category — same product class, narrowed to the Heat Transfer Products catalog only.
Heat Transfer Products — Indirect water heaters and combi boilers.
For the complete Heat Transfer Products lineup across all sub-types and capacities, see the Heat Transfer Products Water Heaters hub.
If you're cross-shopping 6 gallon water heaters beyond Heat Transfer Products, the following brands also ship in this category:
The 6-gallon water heater is the smallest residential point-of-use mini-tank — designed for under-sink, RV, garage utility sink, basement wet bar, and other single-fixture applications. 120V plug-in is the killer feature: no electrical work required.
For the complete 6 gallon buyer's guide (all brands, full comparison framework), see the 6-Gallon Water Heaters (Point-of-Use) category hub.
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