The thermocouple is the co pilot to the pilot light in electronic heaters.
Gas water heater burner won t light.
Most newer models of gas water heaters have.
It senses when the flame of the pilot is hot enough to trigger ignition of the natural gas or propane that fuels the.
If the igniter is getting voltage but it doesn t glow this indicates that the igniter is defective and should be replaced.
To determine if the igniter is defective first make sure the igniter is getting voltage.
Gas main control valves are generally among the last components to fail on your water heater.
Turn off the control valve and the shutoff.
A bad thermocouple will shut off gas to both the pilot and the burner so the pilot light won t stay lit.
Turn on your hot water tap and wait for about 4 5 minutes for the burner to ignite.
If you re water won t heat up the pilot light on your water heater may have blown out.
Lighting a water heater is simple no matter what type you have.
Remove the burner access covers and unscrew the nuts on the gas pilot and thermocouple lines.
If the primary control valve is indeed faulty then it will need to be replaced to fix the problem.
If the igniter fails the burner will not light.
In most cases it is advisable to change the burner entirely but first you can conduct some preliminary checks.