When to replace the pilot safety unit or combination gas valve?
When replacing a pilot safety unit or a combination gas valve, always replace the thermocouple. If you do not have a thermocouple tester or millivolt meter, replace the thermocouple; if the pilot still will not stay lit, replace the pilot safety unit or combination gas valve.
What should I do if my gas flame does not stay lit?
The thermocouple must heat up to allow the pilot to stay lit when the gas valve knob is released. 2. If the pilot lights, but will not stay lit after 20 seconds, repeat the lighting instructions and hold the gas valve knob in for one full minute after the flame appears.
What to do when your pilot light won’t stay lit?
Keep holding the gas knob or button down for a minute or so to ensure the pilot light gets plenty of gas flow. Slowly let go to make sure the pilot light stays lit. ONLY if you see that the pilot light is staying lit, turn the gas knob back to the On position. 2. Pilot Tube
What happens to the gas when the pilot goes out?
If the pilot goes out, no gas will flow into the valve. The only difference between the pilot safety switch and the combination gas valve is that the pilot safety switch is shutting the gas off electrically, and the thermocouple in the gas valve is shutting the gas off mechanically.
When replacing a pilot safety unit or a combination gas valve, always replace the thermocouple. If you do not have a thermocouple tester or millivolt meter, replace the thermocouple; if the pilot still will not stay lit, replace the pilot safety unit or combination gas valve.
What happens if the pilot light is not lit?
Once the thermocouple detects that the pilot light isn’t lit, it turns the gas off as a safety measure. An unlit pilot can also stem from a dirty thermocouple as the dirt may be obstructing the current signal, which would also lead to a gas outage.
The thermocouple must heat up to allow the pilot to stay lit when the gas valve knob is released. 2. If the pilot lights, but will not stay lit after 20 seconds, repeat the lighting instructions and hold the gas valve knob in for one full minute after the flame appears.
What to do when your water heater pilot light won’t stay lit?
Keep holding the gas knob or button down for a minute or so to ensure the pilot light gets plenty of gas flow. Slowly let go to make sure the pilot light stays lit. ONLY if you see that the pilot light is staying lit, turn the gas knob back to the On position.
