Check the listing for details. 6 Gallon RV Water Heater Gas Electric Hybrid Replacement for Suburban & Dometic. Color: White, Condition: New. Listed at 474.99 USD. ✔️ Direct Fit Replacement – Standard 13″ x 13″ cutout, 15″ x 15″ door. Works with most Suburban and Dometic/Atwood 4–6 gallon models. No modification needed. ✔️ Built to Last – Porcelain-lined steel tank + anode rod resist rust and corrosion far longer than aluminum tanks. Replace the anode rod every 1–2 years and your tank stays protected. ✔️ 6 Gallons, Smart Recovery – Plenty of hot water for daily RV life. Hybrid mode recovers up to 40% faster, so you’re not waiting between showers. ✔️ Reliable at High Altitude – DSI ignition tested for mountain camping. Works where others fail. ✔️ Easy DIY Install – Color-coded wiring, 1/2″ NPT water connections, and a complete installation kit. Hook up water, gas, and 120V power—you’re done.