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Old 10-23-2010, 12:12 PM   #1
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Name: Barb
Trailer: 1976 Trillium
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Duo Therm 65810 Furnace Problem

We recently purchased a 1976 Trillium with a DuoTherm 65810-002 Furnace. Following the operating instructions, we turned the dial from off to pilot, depress the pilot button, insert the flame and the main burner assembly ignites with no flame from the pilot light. Once the pilot button is released, the burner goes off. I have removed and cleaned the line to the pilot light and it is clear of obstructions, but it appears that no gas is going through that line. So it appears that when the pilot light is depressed, gas is going to the main burner instead to the pilot light. Any suggestions to help with this problem? Would be greatly appreciated as we want to do winter camping. Thanks, Barb
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Old 10-23-2010, 02:10 PM   #2
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helli Barb,

Did you continue to depress the knob in the pilot position for up to a minute before releasing it?

Did the pilot never actually ignite? Sounds like the pilot might be clogged.
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Old 10-23-2010, 08:14 PM   #3
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It sounds like you may have a bad valve. The main burner should not light in the pilot position. It should only light when the valve is in the on position and only when the pilot light has a flame and the thermocouple signals the main valve to open.
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Old 10-24-2010, 11:18 AM   #4
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You lite the Pilot and hold the pilot button down for a length of time and when the thermocouple is hot enough from the pilot flame you let off the button and turn it to the run position.

The pilot flame is very low and it could be hard to see. The pilot flame must come in contact with the thermocouple for it to work proper.
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Old 10-26-2010, 11:39 AM   #5
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Thanks

Thanks for the input--we think it may be a bad valve---any ideas on where to find a replacement?
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Old 10-26-2010, 02:14 PM   #6
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You might try a propane distributor. Most of them have service people that service all sorts of propane appliances.
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Old 10-30-2010, 07:29 PM   #7
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Repalce the pilot tube, or orfice if you can find one.The nozzle is plugged at the end. You most likey will damage the orfice cleaning it. the hole is so small, one tends to make it to large.
Heat the thermocouple up, with flame still lit.Turn gas valve on, it should lite. Which tells you the thermocouple works.
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