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Anybody know anything about thermostats

Discussion in 'Off-Topic Discussion' started by mrcheap, Feb 16, 2021.

  1. Feb 16, 2021 at 3:01 PM
    #1
    mrcheap

    mrcheap [OP] Well-Known Member

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    So I have electric heaters controlled by a thermostat on the wall. Recently it’s been unreliable in regards to actually turning on. Example I will turn it to 75 and there is no heat. I turn it off and try again and it begins to work. Now it basically doesn’t work. I don’t think it’s the heater units themselves but the thermostat itself. It’s a high voltage unit as I recently found out as I wanted to put a Nest on. Is this best left to a pro to fix. I attached a couple of pics.

    Thanks

    FDE2CD26-2682-491D-8C7B-F16BFAC50E48.jpg
    5132EA88-75E1-44BC-99B5-24EFA765789B.jpg
     
    My Name is Rahl likes this.
  2. Feb 16, 2021 at 3:34 PM
    #2
    My Name is Rahl

    My Name is Rahl President of the Taco-Obsessed fanclub!

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    Have you checked the wire connections? Anything loose? Checked out the metal coil that actually reads the air temp?
     
  3. Feb 16, 2021 at 3:40 PM
    #3
    mrcheap

    mrcheap [OP] Well-Known Member

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    Here’s a pic of the cover and underneath

    39140C48-6BA2-4567-996E-314EA512155A.jpg
     
  4. Feb 16, 2021 at 3:48 PM
    #4
    sled dog

    sled dog Well-Known Member

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    Last edited: Feb 16, 2021
  5. Feb 16, 2021 at 3:48 PM
    #5
    Panchovilla6192002

    Panchovilla6192002 Well-Known Member

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    If you are comfortable messing with the high voltage you can jumper them together, if the heater turns on every time, then your issue is your thermostat
     
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  6. Feb 16, 2021 at 3:49 PM
    #6
    wrightme43

    wrightme43 Well-Known Member

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    If you understand electricity, know how to turn off breakers, and know how to check that they are actually off with a multimeter, it will be a very simple swap out. If not 100% on what you are doing it would be wise to call a electrician.
     
  7. Feb 16, 2021 at 3:50 PM
    #7
    Panchovilla6192002

    Panchovilla6192002 Well-Known Member

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    That’s a 24v thermostat
     
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  8. Feb 16, 2021 at 3:51 PM
    #8
    Panchovilla6192002

    Panchovilla6192002 Well-Known Member

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    This
     
  9. Feb 16, 2021 at 3:54 PM
    #9
    markgphoto

    markgphoto Well-Known Member

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    99% chance you need to replace the thermostat. Lowes/HomeDepot will have them with the baseboard heaters. Remember to turn off the breaker first. Mine went out a couple of years ago. Easy to change out.
     
  10. Feb 16, 2021 at 3:54 PM
    #10
    Puppypunter

    Puppypunter Well-Known Member

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    That is a line voltage thermostat, meaning it is high voltage. It closes a set of contacts to turn on the heater. So as was said before, you can jump the wires out, but be aware that are carrying the full current when you do that, so don’t jump them out with a smaller gauge wire. Also, when you go to replace that thermostat, make sure you get one that works on line voltage as well. Could be 220v as well (probably is). So check if you breaker is a double pole
     
  11. Feb 16, 2021 at 3:54 PM
    #11
    mrcheap

    mrcheap [OP] Well-Known Member

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    I can def turn off breakers but not sure which wire is which if I use a volt meter
     
  12. Feb 16, 2021 at 3:55 PM
    #12
    wrightme43

    wrightme43 Well-Known Member

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    Just to insure no confusion. OP if I believe you have a line voltage thermostat which would be 110/120v or possibly even 220/240v. I don't know your house.
     
  13. Feb 16, 2021 at 3:55 PM
    #13
    mrcheap

    mrcheap [OP] Well-Known Member

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    YouTube video?
     
  14. Feb 16, 2021 at 3:59 PM
    #14
    Panchovilla6192002

    Panchovilla6192002 Well-Known Member

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    Yes on YouTube. You can buy a meter.
    If your breaker is a double pole obviously it’s 240v
     
    mrcheap [OP] likes this.
  15. Feb 16, 2021 at 4:09 PM
    #15
    My Name is Rahl

    My Name is Rahl President of the Taco-Obsessed fanclub!

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    Can you pull off the gray plate and post a picture?
     
    wilcam47 likes this.
  16. Feb 16, 2021 at 4:13 PM
    #16
    markgphoto

    markgphoto Well-Known Member

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  17. Feb 16, 2021 at 4:26 PM
    #17
    mrcheap

    mrcheap [OP] Well-Known Member

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    Should I turn off the breaker before removing it?
     
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  18. Feb 16, 2021 at 4:30 PM
    #18
    markgphoto

    markgphoto Well-Known Member

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    Most definitely. Otherwise, it might be a shocking experience.
     
    jon_elc likes this.
  19. Feb 16, 2021 at 4:38 PM
    #19
    Brianz1001

    Brianz1001 Well-Known Member

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    That’s a line voltage thermostat, all you need to do is verify that it’s a 220 or 110v system
     
  20. Feb 16, 2021 at 4:42 PM
    #20
    mrcheap

    mrcheap [OP] Well-Known Member

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    It says “120-240”

    75A0617B-A9AD-457B-B0D0-847A325047CD.jpg
     

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