Reverse the above steps to mount the new front onto the old back that s still hooked to the water heater.
Honeywell water heater gas control valve reset.
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.
After resetting it several times and bypassing the thermal switch i noticed.
Keep track of which front is which.
The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line.
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.
Slide the ribbon of wires out of the clip on the housing and the front of the gas valve is free.
If you have a power vented unit a 7 flash is a flammable vapor sensor error.
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.
8 reset gas valve this will only appear after the gas valve has been shutoff and continues to produce a current to the thermopile.
How to fix gas valve or control panel on gas hot water heater honeywell gas valve wv8840b1110 repair and replacement.
If the pilot remains lit you will need to replace the gas control valve.