Forum Discussion

BillMartin's avatar
BillMartin
Explorer
Nov 23, 2014

Using Atwood 1H2C Thermostat with Dometic A/C ??

I am attempting to replace a Duo-Therm Thermostat Model# 3107612.008 with an Atwood Model# 1H2C. Neither the furnace, A/C compressor, or A/C fan will operate with the Atwood. All functions are good wi...
Chris_Bryant's avatar
Chris_Bryant
Explorer II
Jun 02, 2015
Atwood's instructions say to hook the +7.5 (red) to 2 & 4. I still think Atwood doesn't know how the Dometic analog system works, though- they need to switch the grounds to activate any relays.
It would really help if they used anything close to standard terminology with this.

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