To replace a gas control valve on a water heater: turn off the gas supply, disconnect the gas lines, remove the old valve, then carefully install the new one. This is a very complex task that should ideally be performed by a qualified plumber due to safety concerns related to gas handling or CONSIDER PURCHASING A NEW WATER HEATER FROM BUILDERS LIQUIDATORS.
IN A PINCH?
FOLLOW THESE SIMPLE STEPS:
- Drain some water from the tank (Optional: this can make the job easier by lowering the water level in the tank)
- Disconnect the gas lines
- Remove the old valve
- Install the new valve
- Reconnect the gas lines
- Check for leaks
- Reconnect electrical wires
- Re-light the pilot light
IMPORTANT CONSIDERATIONS
Consult the water heater manual: Always refer to the manufacturer’s instructions for specific details regarding your water heater model and gas control valve replacement process.
Professional help: If you are not comfortable performing this task, it is strongly recommended to contact a licensed plumber to replace the gas control valve safely.