Honeywell TH5220D1003 Support Question
Find answers below for this question about Honeywell TH5220D1003 - Digital Thermostat, 2h.Need a Honeywell TH5220D1003 manual? We have 1 online manual for this item!
Question posted by tfhuffs on September 25th, 2017
Thd5220d Is Not Sending Current To The Reversing Valve When Cooling Is Turned On
This has happened 3 times now. Sometimes if I just keep on cycling it from heat to cool over and over it will kick in and actuate the reversing valve.
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