Results 1 to 9 of 9
  1. #1
    Join Date
    Feb 2004
    Posts
    110
    Hello, does anyone know if the Honeywell Vision Pro TH8110U1003 will work with a milivolt system. I am trying to control a gas valve on a gas stove. Instruction says thermostat must be designed to work with milivolt system. Also, would connection be to R and W terminals?

    Thanks in advance.


  2. #2
    Join Date
    Sep 2001
    Location
    Vancouver Canada
    Posts
    996
    Awful expensive Tstat to use on that application, but I do believe it will work for you. As long as there is not too great a voltage drop accross the Tstat should be no problem.
    "Go big or Go Home"

  3. #3
    Join Date
    Apr 2003
    Posts
    6,383
    The TH8110U Universal Programmable Thermostats provide electronic control of 24 Vac heating and cooling systems
    or 750 mV heating system.

    For more info check here

  4. #4
    Join Date
    Apr 2005
    Location
    Tampa, Florida
    Posts
    1,634
    Yep, it supports milivolt... just try to keep the wire runs as short as possible. At that small of a voltage, you don't have much to lose to wire losses due to excessive lengths.

  5. #5
    Join Date
    Feb 2004
    Posts
    110
    Thanks, I kep the run as short as possible, 45' and used 18/2. It was a spare stat I had so no extra expense. Just wanted to make sure it worked before I blew something up.
    Thanks again.

  6. #6
    Join Date
    Jun 2003
    Location
    Jacksonville, FL.
    Posts
    4,313

    45 FEET??!!

    Doesn't sound like a short run to me!

  7. #7
    Join Date
    Feb 2004
    Posts
    110
    Shortest I could keep it. I ran an 18/5 (typo on previous). Was planning on doubling up on conductors to try and minimize the VD.

  8. #8
    Join Date
    Dec 2002
    Location
    Rochester, MN
    Posts
    5,304
    why are you putting this on a millivote system?? It must be old and heat only???

  9. #9
    Join Date
    Feb 2004
    Posts
    110
    New highefficiency gas stove. Only way it comes is MV.

    Thanks

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