Question about Air Conditioners
SOURCE: I have an old gas
Old heaters that have a "standing" pilot light that burns all of the time use a device called a thermocouple. The thermocouple sits in the flame of the pilot and when heated by the pilot, produces a very small amount of electricity (approx 30 mV) which the heater interperets as proof that the pilot is burning and indicating that it is okay to turn the main burner on. The thermocouple is a part that wears out and when it fails causes the exact problem that you are describing.
Posted on Jun 26, 2008
SOURCE: Wall mounted 3 grate gas
your pilot has dust in it. Use a drinking straw and blow air across (not into) the pilot opening. this will remove the small particles of dust that are stopping up the membrane inside the opening. THis will make your pilot flame bluer and hotter and keep the thermocouple hot enought to produce enought magnetism to hold the gas valve open.
Posted on Jan 28, 2011
SOURCE: can't light a vulcan heritage
Hi and welcome to FixYa, I am Kelly.
What you are experiencing is the lack of a signal from the thermocouple to the gas valve. I.e. the thermocouple is not passing heat information at all. This is caused by either a defective thermocouple, a dirty mating area where the thermocouple connects to the gas valve or... an improperly positioned thermocouple that is not "in the flame" with the pilot lit.
You can remove your old thermocouple and walk in to almost any appliance parts supply or Plumbing and heating supply to purchase the correct thermocouple without a part number. They will match it up with yours.
Thanks for choosing FixYa,
Posted on Feb 20, 2011
SOURCE: HI there,Gas Heater has been
This heater has a safety system: the gas valve has a thermostat that closes it automatically when the flame goes out. This system uses a sensor that needs a bit of time to heat up and trigger the safety - keep the valve's button pressed for about 10 seconds after lighting the flame to allow the sensor enough time to heat up.
If even after 10 seconds the flame shuts down after you lift the finger from the button then the safety system is defective and it will have to be replaced. Because this is about gas the repair must be performed by a pro. Luckily this is a simple job and the part isn't very expensive - all shouldn't cost more than $125.
Posted on Jun 04, 2011
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The pilot light has a thermocouple that allows gas to the pilot light while the flame is burning. If flame goes out it shuts gas off to the pilot jet. The thermocouple is bypassed by a switch during the initial ignition and once the thermocouple warms up after a minute or two of holding in the bypass switch, it should maintain the pilot. It seems that your thermocouple is faulty and needs to be replaced if pilot light keeps going out.
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