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    Richard Bark's Avatar
    Richard Bark Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Feb 21, 2013, 01:35 PM
    New thermostat
    Looking to buy a new ITT general controls thermostat, Cat. #
    T993v801. The 8 could be a 3. Has the mercury switch and says to use up to 750 MV circuit only. Any ideas where one could be located?
    Thanks, Richard B.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Feb 21, 2013, 03:23 PM
    If it is a standard 2 wire thermostat for Millivolt control there are a few at the link below. You will probably not find the exact one you are looking for since it is probably obsolete. It does not really make a difference what thermostat you get as long as it is for Millivolt and will mount. Home depot/Lowes and other places also have the millivolt ones also.

    millivolt thermostat | eBay
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #3

    Feb 21, 2013, 04:45 PM
    I agree with hvac1000. Mercury switch stats are no longer manufactured. Upgrade to any millivolt compatible stat and you should be good to go.
    Richard Bark's Avatar
    Richard Bark Posts: 2, Reputation: 1
    New Member
    		  
    #4

    Feb 21, 2013, 05:41 PM
    Thanks guys, I figured as much but wanted some outside advice. I'll check out the big box stores.
    Richard B.
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