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BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22317
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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I have a honeywell weathertron thermostat that is not working

Customer Question

I have a honeywell weathertron thermostat that is not working apparently - blower is working but no ac ..inside it says trane Baystat240A 3AAT82B1B1 this is attached to a geothermal unit mercury switch arcs only occasionally. can I bypass it to cool house for tonight until I can replace it or what other options might I have
Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.
Hello,R to G = fanR to Y = compressorR to O = reverse valvetie all 3 together and it should cool...IF...the thermostat is the cause

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