Locate the hot surface igniter and look for a spark or glow there.
Hot water heater gas valve electronic fault detected.
Here s what you need to know about replacing your water heater s gas control valve.
It may be necessary to temper incoming water supply.
It could be the gas pilot valve.
Deliberately maliciously and probably under the pretense of safety.
A faulty gas pilot gas valve or thermostat are the three most common problems in this situation.
Check dial on combination thermostat gas valve.
Wife and kids were showering and complained hot water was a bit lacking so i turned the temp from baseline hot to hot level a.
Bradford white water heater gas valve electronic fault my bw water heater is about 5 years old.
If it s operating correctly then this isn t the cause.
Water heater problems that may be caused by the gas control valve include a faulty hot water heater thermostat faulty gas valve pilot light that won t light and tripped heat limiter.
Not enough hot water.
When the circuit board in the gas valve detects the water too hot situation it writes something into static memory in one of its chips and the valve will never work again unless you can manage to reset it as described below.
Cold inlet water temperature is very cold.
Turn off the gas supply valve to your appliance to test whether your valve is capable of shutting down properly.
2 extremely cold water going into the heater will decrease the amount of hot water produced.
Combination thermostat gas valve set too low for desired water temperature.
The pilot is the most common reason for a lack of hot water.
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.
The most common rea.
This video provides step by step repair instructions for replacing the gas valve and thermostat assembly on an ao smith gas water heater.
The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line.
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.
If the pilot remains lit you will need to replace the gas control valve.