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Old 06-03-2013, 10:18 PM   #1
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Furnace

Heater works in front of coach but not in back bedroom, we have a duo-therm register in front and one in the bedroom. Anyone have any suggestions?
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Old 06-04-2013, 01:01 AM   #2
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Check to make sure the duct hasn't been crushed or come disconnected from the furnace.
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Old 06-04-2013, 05:09 AM   #3
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Do you have more than one furnace? What type of thermostat do you have controlling the heating and cooling of the coach. The more specific information you can supply the more help we may be. Thank you.
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Old 06-04-2013, 06:43 AM   #4
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Do you mean you never have airflow through the rear duct or you can't set the rear thermostat? In my rig, the furnace is controlled by the front thermostat only, the rear thermostat is for rear A/C only.
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Old 06-04-2013, 07:35 AM   #5
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Quote:
Originally Posted by Benicia Tom View Post
Heater works in front of coach but not in back bedroom, we have a duo-therm register in front and one in the bedroom. Anyone have any suggestions?
When you say a Duo-Therm register, do you mean thermostat? If not, then as suggested, check furnace for loose, disconnected or crushed duct. Some ducts also have a way to turn them off at the outlet. Mine have a small round knob and when turned shut them off/on.

I suspect however you have 2 thermostats. The rear would control a rear furnace perhaps AC too. That tstat would of course have to be on,set to furnace and set to proper temp.

More info is needed to properly direct you.
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Old 06-04-2013, 08:37 AM   #6
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We have a thermostat in front and in back. Air conditioning is working on both thermostats and heater has worked on both in the past. The thermostats are both duo-therm. Not sure if I have 2 furnaces but will check.
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Old 06-04-2013, 08:47 AM   #7
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I should have said that no forced comes out.
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Old 06-04-2013, 09:20 AM   #8
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If you have two heater thermostats you have two furnaces. The first thing to check is the fuse. It is a 12 volt fuse. If the fuse is good, then go to the thermostat. Check for 12 volts to and from the thermostat. Next open the front of the furnace from the outside of the coach. On most models there is also a 12 volt fuse or circuit breaker on the furnace. The circuit board is also here. check all connections at the board.
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Old 06-05-2013, 07:20 AM   #9
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In our motorhome, the bedroom thermostat controls only the rear A/C. The front thermostat controls the furnace, and the front A/C.
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