There should be a button to release the gas.
Gas water heater reset button.
All you need to do is open the heater press the button and close the heater again.
If the light goes out try it again.
And the light should stay on.
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.
After 3 tries if the light still goes out then your gas water heater may need professional service.
How to reset a thermal switch in a water heater.
Other reasons for a hot water heater reset button to trip.
A thermal switch is installed in newer gas water heaters as a safety device.
The high limit switch is bad.
Thermostats aren t the only parts on an electric water heater that can wear out and trip the reset button especially if you re finding you have to reset the water heater frequently or you run out of hot water fast and often.
The water heater s gas valve is located near the bottom of the unit and connects to your home s natural gas line.
If you often experienced that your hot water heater keeps tripping reset button ask a plumber to check your water heater although a water heater can last for several years without being maintained there is still a missing factor which needs to be accountable for.
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.
Press the small reset button in the center of the thermal switch.
In most cases your water should be back to normal within a few hours.
Step 6 check the water temperature.
Blocked vents at the top and bottom of the water heater can cause.
As long as you can find the water heater and identify the reset button the process is simple.
If it s tripped you may be able to hear it click.