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Home » Public Forums » GMCnet » Is the furnace hose just dryer vent hose? (Sure looks like it)
Is the furnace hose just dryer vent hose? [message #229815] Thu, 14 November 2013 13:52 Go to next message
Otterwan   United States
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Registered: July 2013
Location: Lynnwood (north of Seattl...
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I need to replace the some of furnace hose in the Royale. Can dryer hose from the local big box hardware store be used? Can't really see why it couldn't, probably rated for about the same temperature.

1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."
Re: Is the furnace hose just dryer vent hose? [message #229866 is a reply to message #229815] Thu, 14 November 2013 21:20 Go to previous messageGo to next message
Jerry Sitzlar is currently offline  Jerry Sitzlar   United States
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Registered: February 2013
Location: Lenoir City, TN
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Question to your question: Is the furnace hose in your coach 3.5" dia or 4" dia? The box stores carry only 4", I believe. I just replaced the old Sol-Aire furnace in my coach which uses 3.5 with a new Suburban SF35FQ which uses 4". Since my old 3.5 hose was okay, I modified the plenum from the Sol-Aire to fit the new furnace. If you need the 3.5 ......go on-line, box stores dryer hose OK for 4". BTDT.

Jerry Sitzlar..... 77 Eleganza II, Twin bed, dry bath...... Lenoir City, TN (near Knoxville)
Re: Is the furnace hose just dryer vent hose? [message #229875 is a reply to message #229866] Fri, 15 November 2013 01:43 Go to previous messageGo to next message
jim kanomata is currently offline  jim kanomata   United States
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You want to use one that can handle the higher temp of the dry heated air.W supply the Ones for that specific application that is UL approved.

Jim Kanomata Applied/GMC, Fremont,CA jimk@appliedairfilters.com http://www.appliedgmc.com 1-800-752-7502
Re: [GMCnet] Is the furnace hose just dryer vent hose? [message #229879 is a reply to message #229815] Fri, 15 November 2013 05:36 Go to previous messageGo to next message
Steven Ferguson is currently offline  Steven Ferguson   United States
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Registered: May 2006
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In his Royale, Charles Aulger ran a perforated piece of drain pipe the
entire length of the hall way to the rear area. He just removed the toe
board along the L side of the coach. Nice, even heat all the way to the
rear bed area. This eliminated the hose running behind the cabinets. Dave
DeGraffenreid owns the coach now and maybe someone can contact him for a
photo. Nice setup and Charles had to point it out to me or I would have
missed the mod.
When I replumbed my furnace, I picked up correct flexible ducting at an RV
trailer supply house.
Steve F.


On Thu, Nov 14, 2013 at 12:52 PM, David Orders <dao@oarsllc.com> wrote:

>
>
> I need to replace the some of furnace hose in the Royale. Can dryer hose
> from the local big box hardware store be used? Can't really see why it
> couldn't, probably rated for about the same temperature.
> --
> 1976 Royale "Twinkie II", 1978 Palm Beach with front end fire. Lynnwood WA
>
> &#8220;Before you criticize someone, you should walk a mile in their
> shoes. That way when you criticize them, you are a mile away from them and
> you have their shoes.&#8221;
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--
Take care,
Steve
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Re: Is the furnace hose just dryer vent hose? [message #229891 is a reply to message #229815] Fri, 15 November 2013 07:58 Go to previous messageGo to next message
1275gtsport is currently offline  1275gtsport   Canada
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Registered: September 2009
Location: Rothesay NB
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do be carefull what you use. best to get the correct stuff. I had used a flexible aluminium pipe that has a good heat rating...however the first time I fired up the furnace there was a bit of saw dust on top of the pipe in the wardrobe area of the palm beach and that started smoking after the furnace was on for about 5 min. I removed the pipe and replaced with the more expensive cloth like stuff.

Adam Raeburn
Rothesay, NB
1976 Austin Mini
1977 GMC Palm Beach
---------------------------------------------------
Once you replace everything that is attached to something else. It will all be fixed.
Re: Is the furnace hose just dryer vent hose? [message #229915 is a reply to message #229815] Fri, 15 November 2013 10:35 Go to previous message
Jerry Sitzlar is currently offline  Jerry Sitzlar   United States
Messages: 206
Registered: February 2013
Location: Lenoir City, TN
Karma: 4
Senior Member
I bought 20 feet of the 4" furnace hose online from a RV supply (that I ended up not using). It was exactly the same material that Home Depot sold for dryer vents. It was not the plastic stuff but a kind of metallic mylar, very thin but tough with a chrome-like luster to it.

Jerry Sitzlar..... 77 Eleganza II, Twin bed, dry bath...... Lenoir City, TN (near Knoxville)
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