Honeywell Water Heater Gas Control Valve Reset

After resetting it several times and bypassing the thermal switch i noticed.

Honeywell water heater gas control valve reset. Residential standard gas water heater service handbook 7. I checked that ao smith gas water heater in the laundry room right away. You may have to replace the sensor but first you can try a reset by turning the unit off at the switch on the gas valve wait a minute then turn the switch back on. How to fix gas valve or control panel on gas hot water heater honeywell gas valve wv8840b1110 repair and replacement.

Slide the ribbon of wires out of the clip on the housing and the front of the gas valve is free. Basics honeywell gas control valve thermostat. The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line. If you have a power vented unit a 7 flash is a flammable vapor sensor error.

Turn the gas control dial to off and let sit for one minute. Set the thermostat or the device s controller slightly above the current room temperature. Had to fix a water heater that had the honeywell 5 blinks of death error code. Turn the water heater s gas valve switch to the off position wait for a few seconds and then flip the switch to the on position to reset the system.

Heat on the thermopile generates. The wt8840 series is the water heater control for trade use to replace wv8840 valves used in aosmith and bradford white water heaters. If your water heater does not begin working or another lock out condition occurs have a competent hot water heating specialist diagnose the system and make repairs. Locate the hot surface igniter and look for a spark or glow there.

Reverse the above steps to mount the new front onto the old back that s still hooked to the water heater. The honeywell valve uses a thermopile instead of a thermocouple as did previous designs. Water heaters covered by this handbook are equipped with honeywell gas control valve thermostats. Keep track of which front is which.

8 reset gas valve this will only appear after the gas valve has been shutoff and continues to produce a current to the thermopile. Assuming you don t have a power vented unit a 7 flash means the gas control valve has failed and needs to be replaced. Repeat these steps with the new gas valve. It is designed for use in standing pilot applications using an immersion well for water temperature sensing.