Dometic Water Heaters

Dometic is the current RV water heater leader after acquiring Atwood in 2014. Same aluminum-tank engineering philosophy, same cutouts, same no-anode-rod maintenance approach — but now under the Dometic brand alongside Dometic\'s broader RV product line (refrigeration, awnings, HVAC). For owners replacing Atwood-equipped water heaters, Dometic GC and XT series are the direct successors.

The Dometic RV water heater lineup

Two product families cover the catalog:

• GC Standard Series — atmospheric LP gas with optional 120V electric element. GC6AA-7 (LP-only), GC6AA-8E (6-gal gas+electric), GC10A-4E (10-gal volume pick), G10-3E
• XT Premium Series — faster recovery, quieter operation. XT-6E, XT-10E

The aluminum tank advantage

Dometic continues Atwood\'s aluminum-tank engineering:

• No anode rod required — aluminum doesn\'t need sacrificial protection
• Lighter weight — meaningful in RV applications
• Plastic drain plug — not an anode rod port; replace with Teflon tape every 1-2 years
• 10-15 year typical tank lifespan
• Watch for chloride pitting in extreme well-water conditions

Dometic = current Atwood

If your RV originally had Atwood, choose Dometic for replacement. Same cutout, same parts, same engineering — just a different brand name on the door.

Which Dometic is right?

1. Travel trailer: GC6AA-8E (6-gal gas+electric)
2. Motorhome / fifth-wheel: GC10A-4E (10-gal gas+electric)
3. Premium / active family: XT-6E or XT-10E
4. Boondock-focused: GC6AA-7 LP-only (saves the electric element cost)

Warranty

• 2-year tank
• 1-year parts
• Labor not covered

Where to buy

Dometic is widely available through Camping World, Amazon, etrailer, RVupgrades, and RV dealerships. Dometic has a dense US dealer network through their broader RV product line.

Dometic vs competitors

• Dometic vs Suburban — aluminum vs porcelain-steel; cutouts differ
• Dometic vs Atwood — current vs legacy (same product)
• Dometic vs Furrion — established Atwood-successor vs newer brand
• Dometic vs Truma — traditional tank vs European combi

Bottom line

Dometic is the current production of the legacy Atwood RV water heater line. GC10A-4E volume pick for motorhomes. XT-10E premium upgrade. Aluminum tank means no anode rod maintenance — the structural advantage vs Suburban. Choose Dometic for RVs originally equipped with Atwood.