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

    Oct 21, 2008, 03:46 PM
    Wired A/C with remote heat?
    My 2 story home has 2 A/C units, one for each floor with a programmable thermostat each, and uses a single boiler with radiators for heat with it's own mercury thermostat downstairs. I have added electric heat into the downstairs air handler and use the existing programmable thermostat, but the upstairs unit is 120v and it is not an economic option to upgrade it. I have closed all the radiator valves downstairs and manually turn on the heat thermostat when I want additional heat upstairs. I'm looking for and have searched the web for wireless thermostats, but mostly find remote thermostats where the base unit replaces the existing thermostat and the controls are the remote. I'm actually looking to replace the upstairs thermostat with one that I can wire to the existing A/C thermostat wires and which has a remote receiver with the relay to operate the heat. Any info on manufacturers and model numbers would be great.

    Thanks, Mike
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Oct 21, 2008, 05:14 PM
    The remote thermostat here can be made to do what you want I believe but you might have to modify to add the relay off a trigger circuit you can make with a extra 24 volt transformer. I do not do system design work here since I have limited time but if you are slick and know a bit about electric you will figure it out.

    Venstar Inc. - Thermostats
    Wraith's Avatar
    Wraith Posts: 2, Reputation: 1
    New Member
     
    #3

    Oct 22, 2008, 07:31 AM
    Quote Originally Posted by hvac1000 View Post
    The remote thermostat here can be made to do what you want I believe but you might have to modify to add the relay off a trigger circuit you can make with a extra 24 volt transformer. I do not do system design work here since I have limited time but if you are slick and know a bit about electric you will figure it out.

    Venstar Inc. - Thermostats
    Thanks for the answer, I'll look into it.

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