Question about CT87B ROUND HEATING&COOLING MECHANICAL THERMOSTAT - WHITE Heater
...so I don't know the make and model of the pump. Bought and was going to replace it with a Honeywell TH5110D digital unit ... but seeing the wiring in this thermostat don't think I''ll chance it. Too ...
Question about CT87B ROUND HEATING&COOLING MECHANICAL THERMOSTAT - WHITE Heater
My nonprogrammable Honeywell thermostat th5110D is no matching temperature settings (desired and actual). There is about 4 degrees difference. I have looked at the manual and reset the system and ...
Question about CT87B ROUND HEATING&COOLING MECHANICAL THERMOSTAT - WHITE Heater
Honeywell Thermostat TH5110D Non-programmable Thermostat I need instructions to reset it after I had to replace the batteries What is it that needs reset? Is it not working now?
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