If the button is lit up it means the switch tripped and needs to be reset.
American water heater thermal switch reset.
Reset the thermal switch the thermal switch can trip if the water heater is not getting enough air.
Your water heater reset button is a safety device that shuts off power to your water heater when the water temperature inside it exceeds 180 degrees fahrenheit.
After3 visits from warranty repairman they gave us a new water heater due to the lemon law.
Make sure nothing blocks the air vents cut in the side of.
How to reset a thermal switch in a water heater.
Check the draft hood at the top of the water heater for obstructions.
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Ensure nothing is stored on top of the appliance.
The thermal switch keeps blowing.
I bought an american standard water heater and within 3 months the thermal fuse kept blowing.
If so push that reset button as well.
Not following these instructions and or an inadequate air supply can cause the flame guard safety system to disable the water heater.
When your gas water heater.
The temperature sensing button.
There may also be a lower thermostat reset button on the water heater.
Look along the bottom of the water heater.
This will disable the water heater until the system is reset.
Shuts off the gas supply to the water heater s burner and pilot preventing re ignition of any remaining flammable vapors in the area.
Press the small reset button in the center of the thermal switch.
The hot water heater reset is actually a high limit safety thermostat switch that disconnects the power to the water heater if the water exceeds a preset temperature.