On 2017-01-19 5:03 PM, Ed Pawlowski wrote:
On 1/19/2017 1:08 PM, home owner wrote:
To Trader4 "little info, no make, model, nothing":

23 hours ago (at 12:09 PM on 1/18/2017, I said I have a Totaline
P474-1035.

The thermostat was installed about 5 years ago but the problem
developed in the past year.


Does it have a battery? Has it been replaced? Sometimes it shows the
display but does not have enough power to trip the function called for.

I am wondering about that too, also whether he is grasping the concept
of a span, that many thermostats have built in.

--
Froz....