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air conditioning thermostat failure question
All 3 are the same type from Honeywell, the reason for using the same kind
was that it had a plug in application and no need to rewire, but if I have to replace the thermostat every season, I will try a different route. thanks to all for the help jeff ----- Original Message ----- From: Newsgroups: alt.home.repair Sent: Sunday, July 29, 2007 9:33 AM Subject: air conditioning thermostat failure question On Jul 29, 12:37 am, wrote: On Jul 28, 4:50 pm, "Dig" wrote: this is the 2nd thermostat to fail in 3 years time its a digital Honeywell ct8775a. I live in Florida and it fails in the summer time while on cooling. the thermostat will register the 80 degree setpoint and turn on but not shut off ( thermostat always read house temp at 80) the house was 74 degrees last night, replaced the thermostat and all seems fine. I don't know why these would fail in the same way, should I go with a normal honey well thermostat? (non digital). thanks in advance jeff A lot of critical info is missing. Like were all 3 the same model? I don't see how 3 different thermostats from diff manufacturers could all fail in the exact same way (goes on showing 80 and never chgs or turns off) from surges. If they are all the same, or at least similar ones from same company, then it sounds more like a weak point in the design. |
#2
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air conditioning thermostat failure question
"Dig" wrote in message . .. All 3 are the same type from Honeywell, the reason for using the same kind was that it had a plug in application and no need to rewire, but if I have to replace the thermostat every season, I will try a different route. thanks to all for the help jeff Change to a different model of Honeywell or Robertshaw. The first model of the digital round (T8700) had a failure, looks like the second model does too. :-( I've had good results with the following series of stats... Honeywell FocusPro 5000 FocusPro 6000 VisionPro 8000 Robertshaw 9400's 9500's 9600's There are many stats from these categories to meet your needs. |
#3
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air conditioning thermostat failure question
I got a very nice Honeywell pgmbl tstat in '84. Lasted about 3
years. The White-Rodgers on my wall now has been in service for 20 years. Threatens to outlast -me-. I'd count 3-strikes-yore-out for Honeywell. Do some homework, id a mnfgr with a good rep and tstat with your needed features, and buy/install. Honeywell and I are "No Mo'!" (whenever I can get away with it). P On Sun, 29 Jul 2007 09:59:26 -0400, "Dig" wrote: All 3 are the same type from Honeywell, the reason for using the same kind was that it had a plug in application and no need to rewire, but if I have to replace the thermostat every season, I will try a different route. thanks to all for the help jeff ----- Original Message ----- From: Newsgroups: alt.home.repair Sent: Sunday, July 29, 2007 9:33 AM Subject: air conditioning thermostat failure question On Jul 29, 12:37 am, wrote: On Jul 28, 4:50 pm, "Dig" wrote: this is the 2nd thermostat to fail in 3 years time its a digital Honeywell ct8775a. I live in Florida and it fails in the summer time while on cooling. the thermostat will register the 80 degree setpoint and turn on but not shut off ( thermostat always read house temp at 80) the house was 74 degrees last night, replaced the thermostat and all seems fine. I don't know why these would fail in the same way, should I go with a normal honey well thermostat? (non digital). thanks in advance jeff A lot of critical info is missing. Like were all 3 the same model? I don't see how 3 different thermostats from diff manufacturers could all fail in the exact same way (goes on showing 80 and never chgs or turns off) from surges. If they are all the same, or at least similar ones from same company, then it sounds more like a weak point in the design. "Mit der Dummheit kaempfen Goetter selbst vergebens!" -Friedrich Schiller |
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