After resetting it several times and bypassing the thermal switch i noticed.
Honeywell water heater gas control valve reset.
Repeat these steps with the new gas valve.
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.
Turn the gas control dial to off and let sit for one minute.
If you have a power vented unit a 7 flash is a flammable vapor sensor error.
Slide the ribbon of wires out of the clip on the housing and the front of the gas valve is free.
How to fix gas valve or control panel on gas hot water heater honeywell gas valve wv8840b1110 repair and replacement.
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.
The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line.
Had to fix a water heater that had the honeywell 5 blinks of death error code.
Assuming you don t have a power vented unit a 7 flash means the gas control valve has failed and needs to be replaced.
8 reset gas valve this will only appear after the gas valve has been shutoff and continues to produce a current to the thermopile.