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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have + 15 yr old programmable Honeywell thermostat, not

Customer Question

I have + 15 yr old programmable Honeywell thermostat, not back lite. The data on the unit is flashing. I removed the unit installed new batteries and unit still flashes. Help
Submitted: 1 year ago.
Category: HVAC
Expert:  D.E. Anderson replied 1 year ago.

Hi I'm going to try to help you with this. You've experienced this in the past and replacing the batteries corrected this?

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