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Old 04-06-2010, 08:33 PM   #1
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Mounting Suburban Furnace

My plan is to mount the SF-35 LP Suburban furnace under the kitchen counter and flush with the outer bus skin and install an exterior access door. I was thinking of running some ducts underneath the counter also and just have some small registers on the very bottom of the cabinet face where it meets the floor.

I would probably have 2 cabinet doors that would open for access to the front of the furnace and the rear would be accessed from the outside door.

I was just wondering if the return air (not intake. That comes from outside) would be affected. My cabinets are going to be 10 feet long.

Has anyone else done something similar?

Dan
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Old 04-06-2010, 09:32 PM   #2
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Re: Mounting Suburban Furnace

We custom built a plenum and ducted our Suburban in the Class C. Didn't affect the performance at all, except to spread the warm are out a lot better. Used standard vent covers just big enough to fit in the toe kick area under the fridge area (front and side). All air is pulled from outside, non from inside. We have an older Suburban (24 series).
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Old 04-07-2010, 08:43 AM   #3
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Join Date: Sep 2009
Location: MASS
Posts: 449
Year: 1993
Coachwork: THOMAS
Chassis: SAFE-T-LINER
Engine: CAT 3116
Rated Cap: 83
Re: Mounting Suburban Furnace

Smitty, the ducts are 4" and I believe I can get some round 4" registers from RV Surplus.

I think what I might need to do is have a cutout in the kickpanel to allow for return air.
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Old 04-07-2010, 07:36 PM   #4
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Join Date: Jun 2004
Location: Roswell, NM
Posts: 3,587
Year: 1986
Coachwork: BlueBird
Chassis: 40 ft All American FE
Engine: 8.2LTA Fuel Pincher DD V8
Rated Cap: 89
Re: Mounting Suburban Furnace

These links may come in handy. I would save them. Some how, we always need a copy of our manual when the internet is down

http://bryantrv.com/docs.html#furnace

http://www.tada-rv.com/scripts/pdfretail/get.php?id=274
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