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  • Refrigerator Fans

    The fans in the back of my refrigerator were not working I put a jumper across the two wire and they both work I assume that mean that what Dometic calls the Thermal Fuse is bad. Does anyone know if this can be purchased anywhere else other than from Dometic?
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    Dave and Marge
    2008 36RSS3B #4570
    2005 Freightliner M2 Sport

  • #2
    http://www.mouser.com/search/refine....aign=199642162
    Those are snap disc thermostats which you can find here
    Retired Verizon Tech,Retired RN,2007 Mobile Suites 38RL3,2005 Chev 3500 dually Down sized to 2008 Phoenix Cruiser 2551

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    • #3
      I put a manual overide switch on mine. It is mounted on the outside lower frig lovers. Any time the temps are above 90 I just go out and turn them on. You will find that with the thermo switches the fans very seldom come on. I tryed a lower temp thermo switch and then they ran all time winter or summer when the frid was cooling... not necessary. I got the overide switch from the local auto parts store. I just manually kick it on in the summer if the day is to be hot. Works like a charm.

      http://www.suitesowners.com/forums/s...more-batteries!)
      About the 4th page on this discussion is a write up on what I did, might be helpful.
      Kent
      Last edited by KFRimr; 07-11-2014, 06:06 PM.
      2004 Volvo VLN630
      2007 36 RS3 Mobile Suite
      2007 Suzuki SX4 behind the 5er
      Blog: http://roamingreimers.wordpress.com
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      • #4
        You can get the thermo switch at any rv parts store, we've purchased 2 over a period of 8 years. If you have the Dometic book, the part # is in there but any rv parts store can look it up too.
        Jan & Thomas
        2012 Mobile Suite 36RSSB3 #5942
        2012 Ford F350
        Fulltiming since 2006

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        • #5
          I replaced our refrigerator cooling fan switch with one of the aftermarket discs with a 110 degree "on" setting. Then instead of attaching it to the cooling fins, I attached it to the top of the top vent frame. This way the fans only come on when the air inside compartment reaches 110 degrees, not every time the refrigerator comes on. Our original fans lasted until this year. When I replaced the fans, I found some computer fans on line that were same size but much higher volume of air flow for much less cost than the ones from Dometic.
          Rick Binns


          2006 MS 32TK3, #2765, MorRyde I.S. & Pin Box, Level Up One Touch, 17.5" Wheel Upgrade
          2012 F450 6.7L Diesel w/ Air Bags, Reese 25K Signature Hitch

          "Bloom where you are planted"

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          • #6
            Rick how did you know the air volume of the old fans? and what is the volume of the new fans? I like your idea of just monitoring the temp of the space and cooling that as needed. There are a lot of times in the summer with the afternoon sun beating on the side that i am sure that compartment gets really warm. and adds to the work of the refrigerator. Did you purchase your new fans from Amazon or Ebay?
            Kent
            2004 Volvo VLN630
            2007 36 RS3 Mobile Suite
            2007 Suzuki SX4 behind the 5er
            Blog: http://roamingreimers.wordpress.com
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            • #7
              KFRimr,
              Just about any 6" fan in tandem will do the job, and as far as volume--more is better until sound becomes a problem. I have 2 6" placed in the upper vent attached to cross braces and they run all of the time if hooked to electrictiy and I turn them off if on battery when cooler out. There was originally only one fan from the factory--when it quit, I put in the 2 and direct-wired them to an on-off switch.
              Joe
              2005 36TK3 #1869
              2010 F450 Lariat

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              • #8
                KRrimr, you can look up the CFM for your existing fans if it is not printed on the label for the fan. Mine were printed on the label and if I remember were listed as 10 or 12 CFM. I replaced them with these from bestbyte.net...http://www.bestbyte.net/top-motor-fa...-pin-rohs.html
                Rick Binns


                2006 MS 32TK3, #2765, MorRyde I.S. & Pin Box, Level Up One Touch, 17.5" Wheel Upgrade
                2012 F450 6.7L Diesel w/ Air Bags, Reese 25K Signature Hitch

                "Bloom where you are planted"

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                • #9
                  Thanks Wingnut and Rick,
                  for your helpfulness. Fan's are one of a number of projects that I have planned for the summer. But the summer is going way too fast. I appreciate your Ideas and information.
                  Kent
                  2004 Volvo VLN630
                  2007 36 RS3 Mobile Suite
                  2007 Suzuki SX4 behind the 5er
                  Blog: http://roamingreimers.wordpress.com
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