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I am replacing a very old thermostat on a wall furnace. The
I am replacing a very old thermostat on a wall furnace. The system only has two wires but the thermostat has no markings where thwe wires are connected. I purchased a RTH111 and I just need to know wh… read more
Gaztech
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Vocational, Technical or Trade School
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I replacing an old thermostat with a Honeywell RTH111. This system is AC only. the old thermostat was using the green red and yellow wires only. I havr installed the new ones using the same configurat… read more
Phil
Phil
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I sure hope so, weeks, if I can, i have a trane thermostat
i have a trane thermostat and i want to install a new Honeywell one on the trane unit there is a r1 wire but no r1 terminal on the Honeywell stat … read more
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Just Answer! what, exactly is the C wire in a HVAC system?
Hi Just Answer! what, exactly is the C wire in a HVAC system? Is it just ground? I'm in Australia and I have a Braemar TG320N gas furnace. It has a Honeywell 32207415-054 thermostat (that is battery p… read more
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the laars boiler doesnt work off the thermost but does if
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Rick
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Installing a new Honeywell thermostat on a Rheem RRKA series
Installing a new Honeywell thermostat on a Rheem RRKA series HVAC unit, which is on the roof of a 2 story condo. Need to know what tools to take with me up the ladder to rewire the thermostat. I have … read more
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Dear Expert, We are replacing an American Standard 4 wire
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Regan Land
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I got old gas heating sistems. my old thermostat was connected
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gotoman for ac
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I have a honeywell RTH111 thermostat, I switched from a ritetemp
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INSTALLED A HONEYWELL ROUND CT87N THERMOSTAT, THE OLD HONEYWELL
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Rick
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I have hot water heat system with White Rodgers Zone valves
I have hot water heat system with White Rodgers Zone valves Type 1131, and a gas fired boiler. My system is 3-wire to the thermostats. The wiring to the valve from the power supply is White wire to #2… read more
Rick
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I am not sure if you can help but I just installed a new boiler.
I am not sure if you can help but I just installed a new boiler. I am trying to hook up my thermostats to the boiler. I have 5 thermostats and and five zone control valves. The thermostats are run wit… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
i am trying to install a honeywell RTH221B1000 thermostat to
i am trying to install a honeywell RTH221B1000 thermostat to replace a robert shaw series 400 (1993). i have a blue wire attached to the RS thermostat and need to know where to attach that wire to the… read more
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Meet the Experts:

Phil

Phil

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7,634 satisfied customers

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Rick Mather

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Kenton Guidry

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Rick Ridley

Rick Ridley

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Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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