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.