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Nothing beats a hot shower after a long day of highway travel or out on the water. For decades, Atwood (now part of Dometic) has been the gold standard in mobile water heating technology, trusted by RV manufacturers and boat builders worldwide. Designed with lightweight, corrosion-resistant aluminum-clad tanks, Atwood water heaters deliver rapid recovery times, efficient fuel consumption, and exceptional durability without adding unnecessary weight to your rig or vessel. Whether you are replacing an aging unit in a travel trailer, upgrading to convenient electronic ignition, or servicing a high-capacity marine vessel, RV Parts Center carries the complete lineup of Atwood water heaters and replacement components. From simple pilot-light units to advanced Direct-Spark Ignition (DSI) systems and engine heat-exchanger marine models, we have the right water heating solution to keep the warm water flowing.

Atwood water heater

Choose the right Atwood water heater based on your RV or marine application. The 6 Gallon Gas Water Heater with Pilot is perfect for off-grid camping with dependable, battery-free LP gas operation. The 6 Gallon Gas Water Heater with DSI offers convenient push-button electronic ignition for modern RVs. For marine use, the 11 Gallon Marine Water Heater provides dual heating through 120V AC power and engine coolant, while the 20 Gallon Marine Water Heater delivers high-capacity hot water for large boats and commercial vessels.

Atwood Featured Products

Our featured Atwood water heaters combine reliable performance with durable construction. From compact 6-gallon RV models with pilot or DSI ignition to 11- and 20-gallon marine water heaters with dual heating capability, each unit is built to provide efficient, dependable hot water for every adventure.