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Thread: Hunter 44377 universal programmable max 7 day thermostat

  1. #1

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    Hunter 44377 universal programmable max 7 day thermostat

    If you have a question or comment about the Hunter 44377 thermostat register and reply to this thread. If you are installing a new Hunter 44377 thermostat check our how to change a thermostat thread

    The hunter 44377 thermostat is listed as a thermostat that takes 5 minutes to install. The following items are provided with the Hunter 44377 to assist in a faster install time all purpose screws no anchors or drilling required, Built in level and Screwless, color coded wire terminals. label the wires on your existing thermostat before you remove them. See our thermostat wiring color thread thread for information on thermostat wire colors.

    Hunter 44377 thermostat additional features:

    • Ability to program all 7 days separately
    • 25% Fewer programming steps than competitors
    • Eco-Glo backlight for easy reading
    • Energy Guide for instant savings feedback
    • Filter change indicator
    • Home Today™ one-touch override for days when you are not normally at home
    • Keyboard Lock
    • Permanent memory for settings
    • Permanent override
    • Programmable
    • Save Away one-touch override

    Compatible with:

    • Air conditioning
    • Up to 2 stage Heat/2 stage Cool systems
    • Gas, electric and oil furnaces
    • Gas and oil fired boilers
    • AC or battery power
    • Most 24 Volt and Millivolt systems
    • 2 and 3 wire hot water/radiator systems
    • Single and two stage heat pumps with auxillary heat
    • Not for use with 110 or 220V Electric baseboard heat


    Hunter Technical Support 1-888-830-1326

  2. #2
    Junior Member

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    Hello, I'm trying to replace a Carrier thermostat with a Hunter 44377 thermostat but I'm running into a couple of questions. The current wiring has S1 and S2 wires that the Hunter thermostat has no place for. There is also only an R wire and the Hunter thermostat has a place for RH and RC. I believe I can just plug the R wire into RH and it will work correctly with the jumper provided. Would this be correct?

    The system is a Gas/Conventional and not a Heat Pump.

    I've attached pictures of the old Carrier and the new Hunter thermostats if anyone could possibly help.

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  3. #3
    HVAC Thermostat Specialist

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    The S1 and S2 terminal on the Carrier thermostat are for a outdoor air sensor. Just place a jumper between the RH and RC terminals on the hunter thermostat.

  4. #4
    Junior Member

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    Thank you. I taped off the ends of S1 and S2. I wired R to RH and kept the jumper between RH and RC that came with the thermostat. The AC comes on and works fine but when I test the heat, it turns the outside unit on and blows cold air out. Any suggestions? I would think since I have RH directly wired that I would be getting nothing but heat if something was wrong.

  5. #5
    HVAC Thermostat Specialist

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    Do you have a selector system switch on the Hunter 44377 set to "STD"?

  6. #6
    Junior Member

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    Ay yi yi. Thank you!

    The switch must have gotten bumped to Heat Pump on the back of the thermostat while messing with it during setup. Thanks again!

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