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  1. #1
    Join Date
    Feb 2008
    Posts
    4
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    Rheem Single heat with 2 stage cooling

    Hi all,
    I have a rheem single stage heat gas furnace and a 2 stage rheem coolling.
    Can someone help me with what therostat that will work with this?

    eric

  2. #2
    Join Date
    Mar 2004
    Location
    Grottoes VA
    Posts
    5,856
    Post Likes
    2 Heat 2 Cool non HP stat will work.

    Pick a a brand, Honeywell, White-Rodgers, etc....
    Karst means cave. So, I search for caves.

  3. #3
    Join Date
    Feb 2007
    Location
    18951
    Posts
    1,593
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    Any 2h/2c tstat will work. Best to get an electronic one that doesn't have an emergency heat switch. I'm mostly familiar with Honeywell. Some of them can be programed for 1h/2c.

  4. #4
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    35,199
    Post Likes
    You aren't getting most of the benefits of the 2 stage A/C with a conventional furnace. Airflow is jury-rigged, SEER is greatly compromised...

  5. #5
    Join Date
    Apr 2004
    Posts
    7,680
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    Why did you have them install a two stage 16 SEER unit on a single speed blower? Did they suggest this was ok?

  6. #6
    Join Date
    Feb 2008
    Posts
    4
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    thanks for your help. the contractor put in the wrong system. it was to be a carrier but he put in a rheem RGTA with RARL 16 SEER.

  7. #7
    Join Date
    Apr 2004
    Posts
    7,680
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    The RARL performs as well as the 19 SEER Carrier, Just have him replace the furnace with the proper downflow (or horizontal) Mod.

    He's done you no favors, he can't be controlling the fan like he needs to. Whats the indoor coil?

  8. #8
    Join Date
    Feb 2008
    Posts
    4
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    the coil is RCQD-2417AS

  9. #9
    Join Date
    Apr 2004
    Posts
    7,680
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    is it downflow or horizontal?

  10. #10
    Join Date
    Feb 2008
    Posts
    4
    Post Likes
    horizontal

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