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  1. #1
    Join Date
    Oct 2003
    Location
    Minnesota
    Posts
    150

    Confused Hard to find fireplace thermocouple

    I've been working on a outdoor gas log fire pit. Needing a new thermocouple. In twenty yrs of working on fireplaces I can only remember seeing once before. The gas log has no Mod or Ser or even a name on it anywere. The thermocouple has coarse theard and is slightly larger. In the picture below the top thermocouple is the one in question the bottom is a typical honeywell thermouple. If anyone has any ideals I would appreciate the help.
    Attached Images Attached Images  
    Helgy

  2. #2
    Join Date
    Oct 2004
    Location
    Central WA
    Posts
    1,595
    Some of them are metric. The ones I have seen have a SIT part number stamped into the copper line.

  3. #3
    There is a universal Honeywell thermocouple that comes with a bunch of different parts. It has metric adaptors but it is a little pricey

    https://customer.honeywell.com/en-US...tpath=1.2.27.4

  4. #4
    Join Date
    Oct 2003
    Location
    Minnesota
    Posts
    150
    Yes I would agree most if not all Sit valve thermocouples are meteric. I do not know the name of this gas valve, but i don't think it is a Sit valve. It is set up to be spark to main flame. Then the themocouple proves the main flame. I might have to take some pictures of the equipment in question.
    Helgy

  5. #5
    Join Date
    Oct 2004
    Location
    Central WA
    Posts
    1,595
    Please do - I'm curious as to what you're working on. That makes no sense at all - Proving direct ignition with a thermocouple? Good lord, how long does it flow gas on a trial for ignition before deciding the thermocouple isn't heating up? Different rules for outdoor equipment?

  6. #6
    Join Date
    Jan 2007
    Location
    Stongsville Oh
    Posts
    931
    Helgy I saw that you posted about trying to up load photos then I see you were able to. Did the circle stop spinning for you or did you do something different. Sorry about the off topic but I just got done reading your other question.
    ckartson
    I didn't write the book I just read it!

  7. #7
    Join Date
    Mar 2013
    Location
    Springville, NY
    Posts
    3,528
    This one looks a lot like yours:

    http://www.twinsupply.com/equipmentp...?prod=229-1112

    Not inexpensive though!

  8. #8
    Join Date
    Oct 2003
    Location
    Minnesota
    Posts
    150
    Ya know it sure does look like it. Thanks guys for the help.

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