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Remote thermostat for older Amana PTAC?
I have a late 90s Amana PTAC (model #PTC093A35AB) in a guest room that I would like to control with a remote thermostat. I have an extra Honeywell manual thermostat (model #LC1620/T87F) with separate heat/cool controls. What I can't determine is if these units are compatible. The PTAC manual is vague on this and I can't find any literature on the T87F that answers my questions either.
Anyone have any advice on this? I was going to replace the PTAC this summer but we've decided to keep it another year, so I'm hoping better controls will make it more useable in the space.