The TH stands for “THermostat,” and those two wires connect to the thermostat device (or in most cases, a wall switch) that tells the valve to open.Under normal conditions, with the pilot light lit, closing the circuit between the two TH contacts will … If the pilot light isn't working, though, nothing will happen when you turn the unit on. Turn on appliance, turn up thermostat, main gas should light. If it is flexible and visibly bent or kinked in one area, turn off the gas valve, wait … Reply; larry. Hi folks your help would be greatly appreciated: Last year during summer I turned my pilot off. the pilot, it light fine, but when I turned the switch from pilot to ON, the light went out. However, if the light goes out frequently there could be other issues. If the pilot only goes out when the call for heat ends and if the pilot flame if on 3/8 to 1/2 inch of the tcouple tip then the pilot gas is either being restricted or the pilot flame blown out. If not, you need to call for service. Can't not get burner to light. Several possible reasons exist as to why a pilot light won't stay lit. Drafts A draft might be the reason your pilot light keeps going out. ... Heat-N-Glo SL-550TRS Hooked to a thermostat located in the hallway Pilot light remains lit. There is - Answered by a verified Home Improvement Expert. Improve this question. The draft can come from under a doorway, through a window or even from under the floor. If your pilot light: Stays lit for a few seconds but goes out; Has a weak, yellow flame (instead of blue)...then you most likely have a dirty or restricted pilot light orifice.. You see, the pilot light orifice controls the flow of gas to your pilot light. Make sure to turn the thermostat to the lowest setting; Turn out the on/off switch of the pilot towards a pilot’s position. Follow edited Nov 9 '17 at 18:14. Now let go of button, pilot should stay lit. Share. Continue holding button for 60 seconds. Some of the possible serious reasons for pilot lights to go out include loose or broken gas valves, thermocouples or heat exchangers, faulty venting, low gas pressure, or high winds. He only said it lights when he pushes the button and goes out when he moves it to on. Pilot Goes Out The heater won't operate properly if the pilot flickers, is too weak or goes out, and the cause could also be blockages in the pilot tube. The pilot light needs a strong flow of gas to make a strong, steady blue flame that the thermocouple can sense. When the pilot light goes out, it does not leak carbon monoxide gas. Turn gas valve knob back to the on position. Whether you grew up dealing with pilot lights or recently moved into a home with a pilot light furnace, you’ll likely have to re-light your pilot light at some point. Hold the pilot’s button and then make sure to use the long lighter or a match to ignite the flame. Make sure to remove out the outer and the inner panel to access out the light of the panel. Another cause of a weak pilot … ... temperature, follow the thermocouple to the thermostat, and loosen and retighten the hex nut. … Light the pilot but do not let go of button. In this article, we’ll discuss a variety of factors that may cause your pilot light to go out , including when you need and don’t need an HVAC technician. Below are some reasons why your burner won’t stay lit. I take that to mean when the thermostat is turned down to end power to the gas valve which shuts off the main burners. To my dismay the pilot was lit; however when I tried to turn the pilot knob to the ON position it goes out. On my fireplace, the pilot light but goes out when switch is turned on. gas heater. You can apparently get thje pilot to stay on, but when you turn on the main burner the pilot burner flame gets smaller and the main burner only has a small flame. And since it has gotten cold and I wanted to light the pilot light. After I relight pilot, turn switch to on, the flame lights and begins to heat, then after about 30 seconds, there is an audible click from the valve body and the flame goes out including pilot light.
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