Go Back   iRV2 Forums > MOTORHOME FORUMS > Class A Motorhome Discussions
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
Thread Tools Search this Thread Display Modes
Old 04-15-2016, 05:32 AM   #1
Senior Member
Bloodyhell's Avatar
Join Date: Jun 2012
Posts: 133
Zone heating & AC in my Bounder

My (new) 2005 Bounder has a thermostat that uses 2 zones, each zone independently adjustable for temp and gas/heat pump. I can find no documentation on how it works.

I don't see how it could possibly control two separate zones independently aside from the front and back AC, and I believe (but not sure) only the front unit works as a heat pump. We have only one gas furnace, and I'd be surprised to learn it had any dynamic control over how much heat it sends to the back vs the front.

Also, there are two little white plastic discs with holes in them on the wall, one behind the dinette and one in the bedroom. Are these the temperature sensors?

Can anyone shed some light on this system?


Bloodyhell is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 04-16-2016, 02:38 AM   #2
Senior Member
Dtwallace's Avatar
Join Date: May 2014
Posts: 808
Mine has one thermostat that you select the zone from, and set the temperature for that selected zone.

The little disk you see on the wall is most likely the temperature sensors for the area designated as that zone they are mounted in.

Heat pump in the front is new to me, as mine is in the rear, bed room only.

These systems never really send heat or cool air evenly throughout the coach.


Dan & Loretta, US Army Retired Aero Scout Pilot
2012 Fleetwood Providence 42P Class A/DP
Spartan Chassis, 8.9L Cummins 450HP
Dtwallace is offline   Reply With Quote
Old 04-16-2016, 02:19 PM   #3
Senior Member
chboone's Avatar

National RV Owners Club
Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 2,700
If you have the Dometic Duo Therm 4 bottom control go to this link to download the manual and troubleshooting guide. Just know that the micro switches for the buttons over time get dirty and gummed up making it difficult to switch zones. I finally got tired of cleaning and messing with mine and upgraded to the 5 button control. You can buy refurbished 4 button controls on ebay.
Chuck & Teri, 1999 35 ft. Dolphin 5350, F53 Chassis with tag axle, Chassis build date 1/99 in Mexico, Banks System, Trans Command, Air Lift Air Bags on rear, Koni Shocks, Blue OX TruCenter, TigerTrak track bars front and rear, Roadmaster 1-3/4" rear auxiliary sway bar, 2013 VW Passat TDI SEL Premium, 1994 36 ft. Avion 5th Wheel. FMCA #F430129
chboone is offline   Reply With Quote

bounder, heat, heating

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Zone 2 AC not cold but Zone 1 is cold rosannemarie Newmar Owner's Forum 12 08-30-2012 08:08 PM
Hydronic dual zone Heating Traps90 Winnebago Industries Owner's Forum 6 10-14-2010 08:09 PM
Hydonic zone heating system dougburi Newmar Owner's Forum 5 10-06-2009 08:06 PM
Hydronic Zone Propane Heating System akadeadeye Newmar Owner's Forum 8 07-25-2009 09:01 AM
Essex Hydronic Zone Heating System Gene & Kaye Newmar Owner's Forum 16 09-12-2007 01:38 PM

» Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 12:28 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.