Dometic WH-9GEA XT 6 Gal Tank / 9 Gal Effective Heater

The Dometic WH-9GEA XT 6 Gallon Tank / 9 Gallon Equivalent RV Water Heater (MPN: WH-9GEA XT) is a brand new, high-performance combination gas and electric water heater engineered for RVs, campers, motorhomes, and mobile living applications. Designed for users who need longer hot-water availability and faster recovery, this XT model delivers a noticeably improved shower experience compared to standard 6-gallon systems.

This unit uses a 10,000 BTU propane burner and a 1400-watt electric heating element, allowing operation on either LP gas or electric power. An integrated mixing valve provides approximately 33% more usable hot water, making it ideal for longer showers and multiple consecutive uses.

The lightweight aluminum tank is corrosion-resistant and eliminates the need for an anode rod, reducing routine maintenance. The WH-9GEA XT is designed for easy replacement of older RV water heaters and features electronic ignition for reliable operation.

Manufacturer Part Number (MPN): WH-9GEA XT

Key Specifications

Features & Benefits

• Dual-fuel operation – propane and electric

• 10,000 BTU gas burner and 1400 W electric element for fast recovery

• XT mixing valve provides approximately 33% more usable hot water

• Lightweight, corrosion-resistant aluminum tank

• No anode rod required – low maintenance design

• Electronic ignition for dependable start-up

• Low-profile access door design

• Designed for quick and easy replacement of older RV water heaters

• Ideal for extended showering and multiple back-to-back uses

Scope of Delivery

• 1 × Water Heater

• 1 × Instruction Manual

(Access door not included.)

Important Installation Note

Please measure your installation opening and available depth before ordering to confirm proper fitment.
Professional installation is recommended for RV gas and electrical appliances.

Model-specific fitment and installation

Dometic WH-9GEA - XT water heater has a six-gallon physical tank; mixing valve yields approximately nine gallons of effective tempered hot water. Gas and electric; access door is a separate item.

Use the exact Dometic model and product-number label to confirm mounting, service connections and compatible control hardware. Similar-looking RV appliances are not necessarily interchangeable.