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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a dual system Honeywell thermostat. I believe it is a

Customer Question

I have a dual system Honeywell thermostat. I believe it is a vision pro 8000, model
TH 832OU1008. The heat adjustment does not move and some of the indicators have disappeared. What happened? First problem in 20years.
Submitted: 4 months ago.
Category: HVAC
Expert:  Airheatman replied 4 months ago.

1.Are you saying you have system mode set to heat but setpoint temp will not change?

2.What indicators are no longer there?

3. What do you mean dual system?

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