Frequent question: What does a thermocouple do on a propane fire pit?

Thermocouple. Some fire pits have a thermocouple which senses the heat from the pilot light flame. That signals the gas valve to stay open when the pilot is on. Tighten all connections at the thermocouple and gas valve.

What does a thermocouple do fire pit?

The thermocouple must heat up to allow the pilot to stay lit when the gas valve knob is released. … If the pilot does not stay lit after holding the gas valve knob in for one minute, then check the thermocouple connection at the gas valve.

How do I know if my thermocouple is bad?

If you can’t get the flame to light at all, and you’re sure the gas is on, there’s probably an obstruction in the pilot tube. If the flame lights and goes out when you release the gas control knob after holding it in for the recommended 20 to 30 seconds, that’s the sign of a thermocouple malfunction.

Why is my gas fire pit not staying lit?

Check burner ports and the fuel orifice for blockages and keep them clean. Dirty burner ports can also cause burner backfires so be sure to clear away even the smallest debris. If your gas fire pit lights but doesn’t stay lit, this can also be a result of dirty ports or faulty valves.

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How do you bypass the thermocouple on a propane fire pit?

To bypass the thermocouple:

  1. Move the tilts switch wire aside.
  2. Remove your thermocouple from the heater using an 8mm wrench.
  3. Pull the valve housing aside using your 13mm socket wrench. …
  4. Remove the valve using your pliers. …
  5. Put your thermocouple back into position.

How do you test a thermocouple?

Select the ohms or resistance option on your multimeter. Place one test lead on the side of the thermocouple and the other to the end that screws into the gas valve. If the thermocouple has proper continuity, a small resistance reading should be visible on the multimeter.

Will a pilot light stay lit with a bad thermocouple?

A thermocouple senses the heat of the pilot and allows gas to flow to the burner. A bad thermocouple will shut off gas to both the pilot and the burner so the pilot light won’t stay lit.

How often do thermocouples need to be replaced?

The fireplace has thermocouples and switches. The thermocouples should last for a long time. According to experts, a four-year check cycle is all that is needed.

How do you fix a pilot light that keeps going out?

What do I do if my pilot light keeps going out?

  1. Find the gas shut-off knob and turn to the “Off” setting. …
  2. Remove the access panel to access the burner.
  3. Turn the knob to “Pilot” to start the flow of gas. …
  4. While still holding the gas knob, light the pilot with a long lighter.

Why does my fire pit keep going out?

Another common reason why campfires go out is because the wood is wet. In order for wood to light — and stay lit — it needs to be dry. If it’s too dry, combustion won’t happen; thus, the campfire will likely go out. If you’re camping in an area where there’s little-to-no dry wood, consider bringing your own.

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