RV Gas Water Heater Solenoid Valve | 12V DC Replacement for Atwood & Dometic
$45.00
12V DC gas solenoid valve for RV water heaters. Direct replacement for Atwood, Dometic & Suburban water heater gas control valves. Fast-acting, corrosion-resistant, easy install. Fits 6-10 gallon RV water heaters. Free shipping worldwide.
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RV Gas Water Heater Solenoid Valve – 12V DC Replacement
The gas solenoid valve is the critical safety component that controls propane flow to your RV water heater burner. When the thermostat calls for heat, the 12V solenoid opens to allow gas flow; when the target temperature is reached or the unit shuts down, the valve closes to stop gas flow. A faulty solenoid valve can cause no hot water, gas leaks, or dangerous uncontrolled gas flow.
This 12V DC RV gas water heater solenoid valve is designed as a direct replacement for Atwood, Dometic, and Suburban water heater gas control valves. It features fast-acting response, corrosion-resistant construction, and simple bolt-in installation.
Compatibility
- Atwood 6-gallon water heaters (GC6AA, GC10A, G6A-8E, G6A-7E)
- Atwood 10-gallon water heaters (GE16-EXT, GE9-EXT)
- Dometic WH-6GA, WH-9GA water heaters
- Suburban SW6D, SW10D water heaters (select models)
- Most 6-10 gallon RV water heaters with 12V gas control
Specifications
| Parameter | Specification |
|---|---|
| Voltage | 12V DC |
| Valve Type | Normally closed solenoid |
| Gas Type | Propane / LPG |
| Pressure Rating | Up to 1/2 PSI inlet |
| Connection | 1/4″ NPT (inlet & outlet) |
| Response Time | <1 second |
| Operating Temp | -20°C to 80°C |
| Certification | CE, RoHS |
Installation Guide
- Safety first: Turn off propane supply at the tank. Disconnect 12V power at the battery.
- Access the valve: Remove the water heater exterior access panel. Locate the gas control valve assembly on the burner tube.
- Disconnect: Remove the 12V wiring connectors from the solenoid coil. Disconnect the inlet and outlet gas lines using two wrenches to avoid twisting the lines.
- Remove old valve: Unscrew the mounting bolts holding the solenoid valve to the burner assembly.
- Install new valve: Mount the new solenoid valve in the same position. Reconnect gas lines with new thread sealant (use gas-rated Teflon tape).
- Reconnect wiring: Attach 12V power wires to the solenoid coil terminals (polarity does not matter for DC solenoids).
- Test for leaks: Turn on propane supply. Apply soapy water to all gas connections. Check for bubbles — no bubbles = no leaks.
- Test operation: Reconnect 12V power. Turn on the water heater. Verify the solenoid clicks open and the burner ignites. Check for proper gas flow and flame.
Common Symptoms of a Bad Solenoid Valve
- No hot water — burner never ignites
- Clicking sound from the water heater but no flame
- Gas smell near the water heater (dangerous — shut off gas immediately)
- Intermittent hot water — valve sticks open or closed
- Error code on water heater control board (gas valve fault)
- Solenoid coil reads open or short on multimeter (should read 10-30 ohms)
Frequently Asked Questions
Q: How do I test if my solenoid valve is bad?
A: Use a multimeter to measure resistance across the solenoid coil terminals. A good valve reads 10-30 ohms. An open reading (infinite ohms) means the coil is burned out. A reading near 0 ohms means a short circuit. Also test for 12V power at the valve terminals when the water heater calls for heat — if power is present but valve doesn’t click, the valve is bad.
Q: Can I replace just the solenoid coil or do I need the whole valve?
A: In most cases, the solenoid coil and valve body are sold as an assembly. While the coil can sometimes be replaced separately, we recommend replacing the complete valve assembly to ensure proper gas sealing and safety. Gas valves are safety-critical components.
Q: Is this valve compatible with my specific water heater model?
A: This valve is compatible with most Atwood, Dometic, and Suburban 6-10 gallon RV water heaters with 12V gas control. If you’re unsure, contact our technical team with your water heater model number and we’ll confirm compatibility.
Q: How long does installation take?
A: For someone with basic DIY skills and the right tools, installation typically takes 30-60 minutes. The most time-consuming part is usually accessing the valve and testing for gas leaks. Professional installation is recommended if you’re unfamiliar with LP gas systems.
Related Products
- RV Water Heater Control Circuit Board — Replacement control board for Atwood water heaters
- 12L Propane RV Water Heater — Complete LPG water heater for RVs
- 6kW LPG Combi Air & Water Heater — Truma Combi 6E replacement combi boiler
Need help finding the right gas solenoid valve for your RV water heater? Contact our technical team with your model number. All orders include free shipping and duties included.
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