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  1. #1
    Join Date
    Aug 2007
    Posts
    175

    T-STAT Question in regards to VS Blower and 2 Stage Compressor

    OK, I have the Lennox XC21 with VS Blower. I also have the Harmony III Zoning system. The (2)T-STATS that control the upper and lower "zones" are for A/C only. The heat is on a different T-STAT. Home came that way. My question for you is is a certain T-STAT required to get the benefits out of my system? If so, which one is recommended? THANKS IN ADVANCE!

  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,764
    no special stat needed, any single stage stat will work.


    harmony panel and sensors do all the work.

  3. #3
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    So there is one thermostat for heat for both zones, and the thermostats in each zone don't control the heat as well?

  4. #4
    Join Date
    Aug 2007
    Posts
    175
    Quote Originally Posted by t527ed View Post
    no special stat needed, any single stage stat will work.
    harmony panel and sensors do all the work.
    Thanks T527ed, any t-stat better then others? If so, recommendations?

    Quote Originally Posted by RyanHughes View Post
    So there is one thermostat for heat for both zones, and the thermostats in each zone don't control the heat as well?
    Two thermostats for heat, one up and one down. Same for A/C.

  5. #5
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,764
    Quote Originally Posted by sandman512 View Post
    Thanks T527ed, any t-stat better then others? If so, recommendations?
    any of the better single stage honeywells or even the single stage Lennox elite stats would be my choice.

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