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  1. #1
    Join Date
    Feb 2008
    Location
    Texas
    Posts
    40
    Post Likes

    Need some help!! Replacement T-stat

    I need to replace a bunch of Mammoth T-stats with some other manufacturer but can't seem to find one with a "fault light".

    My Mammoth stats wiring designation:

    C 24 Volt Common
    X Fault LED
    G Fan
    Y1 Compressor
    R 24 Volt Power
    O Reversing Valve

    P 2hr Override
    N Night Setback

    P and N I can do without as we don't use either feature.

    The Water Furnace TA32W02 shows to have a fault light. Will it work and be a good replacement to the ancient Mammoth T-stat??

    Thanks all for any help you might provide me!!!

  2. #2
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    39,106
    Post Likes
    Many HP stats have a fault light. It's the L terminal. They may not have the P & N terminals though.

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