The pilot light in your hot water heater does more than simply ignite the gas.
Whirlpool hot water heater pilot light.
A thermocouple senses the heat of the pilot and allows gas to flow to the burner.
Without it the water heater won t be able to maintain internal temperatures allowing the water to cool off.
If the status light is flashing once every three seconds the pilot light is lit and the gas control valve is working properly.
The thermocouple is the brain of your water heater.
In most cases you can relight a pilot without calling in a professional and you ll have hot water again in a few hours time.
When lighting the pilot make sure the knob on the gas control valve is fully pushed in.
Pilot light issues are some of the most common problems experienced with gas water heaters.
The flame should be blue and steady.
Once you re done put it back and light your water heater.
How to light the pilot for a gas hot water heater.
Usually the first warning.
The thermocouple is triggered by an electric current produced by the pilot light.
Make sure the gas control valve is turned to hot and wait for the water heater to heat back up.
Replacement is an easy diy repair.
Keep the knob pushed in while repeatedly clicking the spark igniter button.
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If your hot water heater suddenly stops working chances are a bad thermocouple has shut off the gas to the pilot light.
If the status light is not flashing try lighting the pilot using the instructions on the water heater s label.
It s responsible for closing the gas valve when it senses the pilot light is off.
Tank type gas water heaters use a pilot light to ignite the gas burner when the water in the tank needs to be heated.