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I'm trying to exchange an older Honeywell thermostat for a
I'm trying to exchange an older Honeywell thermostat for a new one. Older one (20 plus yrs old) used only the W & R wires; new one( RTH2300RTH221 series) doesn't seem to match up. … read more
Rick
Rick
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I have a LUX PSP 511LC. I tried switching from AC to heat
I have a LUX PSP 511LC. I tried switching from AC to heat this morning. I switched the Temp switch from cool to heat and waited a few minutes. It never seemed to activate the heater. I fiddled around … read more
airheatman
airheatman
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Just researching thermostat that does not seem to be
just researching thermostat that does not seem to be activating furnace and when I try to adjust temp up, it displays "off" … read more
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Have heat problem, bought new thermastat, no display of
have heat problem, bought new thermastat, no display of temp, fan on auto runs … read more
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We need to replace our LUX 500 programmable thermostat. It's
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, just saw the link while researching. Happy you are here.
Hi, just saw the link while researching. Happy you are here. Hope all is well at your end. Probably something very simple to you, but this woman turned in her tools and decreased DIY activities a few … read more
airheatman
airheatman
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I reset the temperature and reprogrammed the thermostat but
I reset the temperature and reprogrammed the thermostat but the furnace will not start up again. When i turn it off and back on it makes a short start-up sound but no heat. Temp shows house is 63 and … read more
Tim H.
Tim H.
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I just switched out a Lux 500 thermostat that was working fine
I just switched out a Lux 500 thermostat that was working fine but just making clicking noises occasionally, for a new TX9600TSa. Turned power back on but now neither heating or cooling nor heating cy… read more
airheatman
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Lux 500. Thermostat is set to max temp of 75 but real temp
Lux 500. Thermostat is set to max temp of 75 but real temp will not go above 68. Right now is a snow storm and temp in the apt keeps dropping. It is now at 60. I have MS and need a higher temperatura.… read more
Appliance Guru
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Hello, I have two zones of the Lux 500 thermostat. I woke up
Hello, I have two zones of the Lux 500 thermostat. I woke up and my downstairs heat is not turning on. My upstairs is working fine.… read more
Rick
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Installed a new Lux 1500e programmable thermostat to a comfortmaker
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V12Tech
V12Tech
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HI. Our heat (thermostat?) will not maintain a constant temperature.
HI. Our heat (thermostat?) will not maintain a constant temperature. We have reset it, tried hold, replaced the batteries ...but the heat stays on for a short time and shuts off or blows cool air. We … read more
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I have a LUx thermostat. I woke up this morning wanting to
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Can my Lux 500 thermostat set at 70 cause my furnace to not
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I have gas furnace with electric ignition, hot water baseboard
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My Honeywell Pro Th4000 Series thermostat is giving me fits.
My Honeywell Pro Th4000 Series thermostat is giving me fits. It does not follow the program I set for it. The technician who installed it set the program. It worked fine at first. Then I made some min… read more
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Tim H.
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I have a simple digital LuxPro thermostat (no idea what model,
I have a simple digital LuxPro thermostat (no idea what model, do not have the manual). The display is not showing any numbers. ( I put in brand new batteries. ) I am not able to adjust the temp. It j… read more
Rick Mather
Rick Mather
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I am trying to upgrade from a Honeywell CT40 to a Lux TX500e.
I am trying to upgrade from a Honeywell CT40 to a Lux TX500e. The CT40 had a white wire to the silver terminal, and a blue wire to the gold terminal. The red wire was not used. What do I hook these up… read more
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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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