20 Most Recent Dometic 3109228.001 Duo Therm Comfort Control 5 Button Questions & Answers


se if you have 12 volts dc available might be a fuse.

Dometic... | Answered on Aug 24, 2015


takes 12 volts d.c to work.

Dometic... | Answered on Aug 23, 2015


sounds like defective t-stat or it needs to have time and setpoints reconfigured

Dometic... | Answered on Aug 20, 2015


sounds like thermostat issue not communicating with relay modeule

Dometic... | Answered on Aug 18, 2015


open circuit or out of range indoor temperture sensor. locks out cool and heat.

Dometic... | Answered on Aug 16, 2015


you sither have to remove cover on top or look under it on roof should see a tube for draiage.

Dometic... | Answered on Aug 16, 2015


Do you know how to access your furnace wiring ? What make/model furnace?

Dometic... | Answered on Oct 22, 2014


What model is the hvac unit that it is hooked to? There is a high possibility that the wires are not hooked up right. You should check the connections at the hvac and see if they are color coded and wired right.

Dometic... | Answered on Jun 22, 2014


I'm sorry for posting here but I have the same problem and I want to know if you managed to find a solution

Dometic Heating... | Answered on Oct 25, 2020


I was replacing a DUO-Therm 3105058 Rev A. very old Thermostat in a Coachman RV with 3106995.032 from Amazon. After looking all the information on the directions it was clear I would have to play a hit or miss on some of the wiring. Instead of using the same coding, such as RC, RH, G, Yellow and such. they used the function and I had to guess at some.
Here is the wiring I found worked:
There are 6 wires. One set of two wires (white On the W & red on the RH) and the set of 4 (yellow On the Y, green on the G, red on the RC and blue on the H). So to keep it simple the red on the RH went to the +7.5. The White on the W went to the FUR. HS/HP not used. the Yellow from the Y went on the cool. The green on the G went to the fan. The red on RC went to GND. and the Blue on H went to Hi fan.
So red (RH) of the 2 wire goes to +7.5
White (W) of the 2 wire goes to FUR.
Yellow (Y) to cool
Green (G) to fan
Orange or red from the RC lug goes to GND
Blue (H) goes to Hi Fan

Dometic Heating... | Answered on Jun 11, 2020

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