Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
My Honeywell T8501 thermostat has no display
Ceck for a full condensate pump or a float switch at the drain pan. In most cases we set these up that way to make you aware of a problem. Often the condensate pumps get slimy and need to be cleamed yearly.
Posted on Mar 12, 2009
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Posted on Jan 02, 2017
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