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09-18-07, 04:29 AM
Replies: 2
Views: 2,438
Posted By kcnchester

Exhaust blower runs all the time

I have an Arco-Aire Gas furnace with A/C, Honeywell programmable thermostat and Honeywell ST9120C4016 control board.
The exhaust blower runs all the time - when A/C is running, when thermostat set...
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