How to fix gas valve or control panel on gas hot water heater honeywell gas valve wv8840b1110 repair and replacement.
Honeywell water heater gas control valve reset.
Assuming you don t have a power vented unit a 7 flash means the gas control valve has failed and needs to be replaced.
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.
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.
If the pilot remains lit you will need to replace the gas control valve.
8 reset gas valve this will only appear after the gas valve has been shutoff and continues to produce a current to the thermopile.
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.
Turn the gas control dial to off and let sit for one minute.
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.
Keep track of which front is which.
Had to fix a water heater that had the honeywell 5 blinks of death error code.
Slide the ribbon of wires out of the clip on the housing and the front of the gas valve is free.