Honeywell Water Heater Gas Control Valve Reset

The honeywell valve uses a thermopile instead of a thermocouple as did previous designs.

Honeywell water heater gas control valve reset. Had to fix a water heater that had the honeywell 5 blinks of death error code. After resetting it several times and bypassing the thermal switch i noticed. Turn the gas control dial to off and let sit for one minute. Water heaters covered by this handbook are equipped with honeywell gas control valve thermostats.

It is designed for use in standing pilot applications using an immersion well for water temperature sensing. The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line. 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. Keep track of which front is which.

The water heater comes with a sophisticated advanced honeywell water heater thermostat valve that provides continuous monitoring of the water temperature and turning on and off the gas accordingly all without battery. Set the thermostat or the device s controller slightly above the current room temperature. 8 reset gas valve this will only appear after the gas valve has been shutoff and continues to produce a current to the thermopile. Residential standard gas water heater service handbook 7.

Slide the ribbon of wires out of the clip on the housing and the front of the gas valve is free. Reverse the above steps to mount the new front onto the old back that s still hooked to the water heater. Assuming you don t have a power vented unit a 7 flash means the gas control valve has failed and needs to be replaced. Locate the hot surface igniter and look for a spark or glow there.

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. Repeat these steps with the new gas valve. The wt8840 series is the water heater control for trade use to replace wv8840 valves used in aosmith and bradford white water heaters. If the pilot remains lit you will need to replace the gas control valve.

I checked that ao smith gas water heater in the laundry room right away. If you have a power vented unit a 7 flash is a flammable vapor sensor error. Basics honeywell gas control valve thermostat. Heat on the thermopile generates.