Atwood Gas Water Heaters
Atwood filters
Atwood XT 6-Gallon Gas+Electric RV Water Heater
Atwood G6A-8E 6-Gallon RV Water Heater (Gas + Electric)
Atwood G10-3E 10-Gallon Gas+Electric RV Water Heater
Atwood G6A-8 6-Gallon LP-Only DSI RV Water Heater
Atwood G6A-7 6-Gallon LP-Only RV Water Heater
Atwood Gas Water Heaters: buyer's guide
Atwood offers 6 gas water heaters models in the lineup we track. This page is the Atwood-specific cut of the broader Gas Water Heaters water heaters category — same product class, narrowed to the Atwood catalog only.
About Atwood
Atwood (Dometic) — subsidiary of Dometic. Specialty water-heater manufacturer serving the US market.
For the complete Atwood lineup across all sub-types and capacities, see the Atwood Water Heaters hub.
Atwood Gas Water Heaters models we track
- Atwood XT 10-Gallon Gas+Electric RV Water Heater (XT-10E) — Atwood XT 10-gallon gas + electric — premium 10-gallon Atwood. Improved recovery and insulation. Aluminum tank.
- Atwood XT 6-Gallon Gas+Electric RV Water Heater (XT-6E) — Atwood XT (eXtended) 6-gallon gas + electric. Faster recovery vs standard G6. Improved insulation. Legacy XT line continued under Dometic.
- Atwood G6A-8E 6-Gallon RV Water Heater (Gas + Electric) (G6A-8E) — Atwood (Dometic) 6-gallon dual-fuel — direct alternative to Suburban SW6DE.
- Atwood G10-3E 10-Gallon Gas+Electric RV Water Heater (G10-3E) — Atwood G10-3E 10-gallon gas + electric — volume Atwood 10-gallon. Aluminum tank, no anode rod. Now sold as Dometic GC10A-4E.
- Atwood G6A-8 6-Gallon LP-Only DSI RV Water Heater (G6A-8) — Atwood G6A-8 6-gallon LP-only with DSI ignition. Aluminum tank construction. Now sold as Dometic GC6AA-8.
- Atwood G6A-7 6-Gallon LP-Only RV Water Heater (G6A-7) — Atwood G6A-7 6-gallon LP-only RV — pilot ignition legacy model. Aluminum tank, no anode rod. For older RVs with Atwood cutout. Replacement parts via Dometic.
Other Gas water heaters brands
If you're cross-shopping gas water heaters beyond Atwood, 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 Atwood filters
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