If it s operating correctly then this isn t the cause.
Hot water heater gas valve electronic fault detected.
Everything was hunky dory up until about 6 hours ago.
Here s what you need to know about replacing your water heater s gas control valve.
Combination thermostat gas valve set too low for desired water temperature.
Turn off the gas supply valve to your appliance to test whether your valve is capable of shutting down properly.
It could be the gas pilot valve.
The most common rea.
Locate the hot surface igniter and look for a spark or glow there.
Bradford white water heater gas valve electronic fault my bw water heater is about 5 years old.
2 extremely cold water going into the heater will decrease the amount of hot water produced.
Check dial on combination thermostat gas valve.
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.
To check this you will first want to check the pilot flame.
If the pilot remains lit you will need to replace the gas control valve.
Cold inlet water temperature is very cold.
The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line.
A faulty gas pilot gas valve or thermostat are the three most common problems in this situation.
This video provides step by step repair instructions for replacing the gas valve and thermostat assembly on an ao smith gas water heater.
Set the thermostat or the device s controller slightly above the current room temperature.
The pilot is the most common reason for a lack of hot water.
It may be necessary to temper incoming water supply.
Deliberately maliciously and probably under the pretense of safety.
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.
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.