The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line.
Hot water heater gas valve electronic fault detected.
Cold inlet water temperature is very cold.
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.
8 reset gas valve this will only appear after the gas valve has been shutoff and continues to produce a current to the thermopile.
A faulty gas pilot gas valve or thermostat are the three most common problems in this situation.
Turn off the gas supply valve to your appliance to test whether your valve is capable of shutting down properly.
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.
Turn the gas control dial to off and let sit for one minute.
It may be necessary to temper incoming water supply.
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.
If the pilot remains lit you will need to replace the gas control valve.
Not enough hot water.
Locate the hot surface igniter and look for a spark or glow there.
This video provides step by step repair instructions for replacing the gas valve and thermostat assembly on an ao smith gas water heater.
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.
2 extremely cold water going into the heater will decrease the amount of hot water produced.
The pilot is the most common reason for a lack of hot water.
Combination thermostat gas valve set too low for desired water temperature.
Set the thermostat or the device s controller slightly above the current room temperature.
The most common rea.
If it s operating correctly then this isn t the cause.
Everything was hunky dory up until about 6 hours ago.
To check this you will first want to check the pilot flame.
Check dial on combination thermostat gas valve.
It could be the gas pilot valve.
