Suburban 12-Gallon RV Water Heater, DSI & Electric
$743.91 on Amazon.com (as of October 9, 2026, 11:39 PM EST) View details ↗
Upgrade your recreational vehicle's comfort with the Suburban SW12DE 12-Gallon RV Water Heater, engineered to deliver reliable hot water wherever your travels take you. Designed with a durable porcelain-lined steel tank, this unit mimics the longevity of residential water heaters to ensure dependable performance over years of use. Advanced corrosion protection is provided by a built-in replaceable anode rod, which also functions as a convenient drain to simplify routine seasonal maintenance and extend the lifespan of the equipment.
Enjoy exceptional versatility and efficiency on the road thanks to flexible power options and exclusive heat transfer technology. The unit allows you to utilize campsite electrical hookups or generator power alongside its gas capabilities. Meanwhile, the specialized flue tube design deliberately slows the combustion process to maximize heat transfer efficiency, ensuring your water heats faster while conserving energy.
| Capacity | 12 Gallons |
|---|---|
| Product Dimensions | 16.22″ x 16.22″ x 22.25″ |
| Cutout Dimensions | 16.38″ x 16.38″ x 22.25″ |
| Gas Input | 12,000 BTU/h |
| Electric Element Input | 1,440 W |






