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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a unilux le 1000 in a condo with a two pipe system. I

Customer Question

Customer: hello I have a unilux le 1000 in a condo with a two pipe system. I would like to install a honeywell wifi thermostat.
JA: Thanks. Can you give me any more details about your issue?
Customer: moving from a honeywell TB6575a thermostat to a rth6580wf
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Submitted: 1 year ago.
Category: HVAC
Customer: replied 1 year ago.
Old Thermostat had Blue on L, Orange on WY, Yellow on YA, Red on GL, Blue on GM, Brown on GH, White on N. Need to correspond old to new colours to letters.
Expert:  Daniel Plourde replied 1 year ago.

hi i am dan i can help you with this. unfortunately you can not use that thermostat for a fan coil system. you need a specific thermostat for fan coil units.