|water heater pilot light on but not burner||1.33||0.3||28||78|
The pressure switch closes when the proper airflow is achieved, signaling the control board to continue the ignition process. If the pressure switch is defective, the ignition process will stall, and the water heater will not light.What to do if a gas furnace pilot light won't stay lit?
If you have an older model furnace with a standing pilot light, you can follow this basic procedure to relight the pilot flame. Make sure the thermostat is in heat mode. Locate the pilot valve. Turn the valve knob to the off position. Get your match ready. Once the pilot stays lit, turn the pilot valve to the on position.