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Can Single Zone Digital Thermostat Run Furnace  

Updated 02/03/2026 | Published 01/30/2026

Question:

Im looking at replacing the thermostat in a living quarters of a horse trailer. I cant seem to find a direct replacement but it appears this one might work. Can you confirm this unit will operate the furnace as well?

0

Expert Reply:

Hi Thomas; yes, the Single Zone Digital Thermostat for Coleman-Mach RV Air Conditioners # CM76RR is capable of running a furnace. This is designed to replace the following Coleman-Mach part numbers:

-7330F3361, 9430-3392, 9430A3392 (Cool Only)

-9630A3351, 9630A3361 (Heat Pump)

-9630A3371, 9430A3372 (Heat/Cool)

Do you know the part number on your existing thermostat?

expert reply by:
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Robin H
Single Zone Digital Thermostat
Single Zone Digital Thermostat
(click to enlarge)
Thomas J. profile picture

Thomas J.

2/3/2026

The only numbers listed on the current thermostat are ah7881 or ah7882. Made by icm maybe

Robin H. profile picture
Etrailer Expert

Robin H.

2/3/2026

@ThomasJ the ICM was commonly used with Coleman-Mach setups. As long as you have a Coleman-Mach single-zone system this will work.
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