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· Registered
1 Posts
Discussion Starter · #1 ·
Im in condo the old thermostat screen broken, so I want to change the new one. Here is the old model number: t8575d2003. Which thermostat I can replace the old one?
Also the wire how to put it in? Because new thermostat terminal call R, W, Y, C, G, the old one call it 24v 50/60Hz, com, heat, cool, fan com, speed 1, speed 2, speed 3.
How can I apply to the new one?

Here is the picture from the old thermostat

picture link:

· In Loving Memory
42,671 Posts
That new thermostat won't work on your fan coil.

You should get a Honeywell Suite Pro TB8575A1000. Its made for fans coils like you have.
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