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Old 01-03-2013, 04:48 PM   #1
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1999 Diplomat supplemental heater

Happy New Year all,

I am considering putting in a additional bus type heater in my 38 foot 1999 Diplomat to take advantage of main engine heat while driving. I think that it may work quite well under the bed, venting into the bedroom. I wonder if any of you had done that and with what sort of success? We are getting ready to head south to Welton Az from British Columbia and find the drive down in January somewhat chilly. Don't really like to run the propane furnace while driving.

Thanks for your interest,


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Old 01-03-2013, 04:50 PM   #2
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Posts: 6,692
By all means run your furnace! The whole Coach stays warm and maybe even your basement if so equiped.

2000 Newmar MADP 4060, 350ISC, Spartan MM, IFS 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006Ultra & 1989 Springer
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Old 01-03-2013, 05:15 PM   #3
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Our country coach has "over the road " climate control which is a heater /ac unit mounted in the bedroom, so it has been done before, there are brand new units on ebay in the country coach section

Good luck
Tony & Lori
1989 Country Coach Savannah SE
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Old 01-03-2013, 06:15 PM   #4
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Easy stuff. TAP into heater hoses after engine. Stop past water heater and wrap once with flexible copper.Makes hot water :-) Run on back to bedroom. Add 12v illuminated switch to power fan. RUN heater hose to water tank bay...... Use Goodyear coolant lines. ADD several ball valves for future service. ADD lots of coolant to system and check often until system settles.:-) :-) :-)
1999 National Dolphin
1995 Range Rover County SWB.
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Old 01-05-2013, 10:28 AM   #5
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Thanks for your input. I am looking to find a heater with sufficient output to make the installation worth doing. Will pack the tools required with us and on route south will run furnace if required.


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