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Old 02-14-2015, 11:30 AM   #1
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1977 23' Safari
Carberry , Manitoba
Join Date: Jul 2011
Posts: 40
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Water Heater reinstall

I am reinstalling my water heater after removing it to repair floors and redo plumbing. When I removed it, there appeared to be a thin fibre? gasket between the flange on the heater and the aluminum skin of the trailer. What was its purpose and when i reinstall should I be replacing that gasket with a new one? If so, what sort of material should I use? thin closed cell foam?

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Old 02-14-2015, 11:55 AM   #2
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Obrien , Florida
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It's purpose was to keep water out... I just used Vulkem for a sealant when I replaced mine. If you want to go back with the gasket, I can't find one using the googles, but I'm thinking a closed cell foam ought to work.

-Red, 2 years and still holding...

Somebody ought to clean these windows. There is a tremendous buildup of gook all over them...
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Old 02-14-2015, 12:02 PM   #3
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1977 23' Safari
Carberry , Manitoba
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thanks Red, I can't get vulkem around here but I have been using a polyurethane caulk that is prbly similar. Unless I find a piece of thin foam handy I'll likely just go with caulk.

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Old 02-14-2015, 01:41 PM   #4
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1998 30' Excella 1000
Livingston , Texas
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Two words... putty tape (even better, butyl tape, if you can find it). I know, that's more than two words.
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Old 02-14-2015, 03:56 PM   #5
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2000 25' Safari
1999 34' Excella
Davidson County, NC , Highlands County, FL
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putty tape the flange, then caulk too.
2014 Silverado 1500 Crew Cab 5.3L maximum trailering package (yes, I'm towing the 34')
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Old 02-14-2015, 04:12 PM   #6
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1994 34' Excella
Warren , Manitoba
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Posts: 393
I use a product from Wearing Williams in Winnipeg, and used in the bus building industry. It is made by Bostik, Simson 70-03 is the product. Recomended in place of Vulkem and have used with excellent results for several years. Easiest product for availability in Manitoba.
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2002 Chev 2500 HD Duramax
1976 31' Gone but fondly remembered
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Old 02-14-2015, 04:53 PM   #7
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1974 31' Sovereign
Ottawa , ON
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Fastenal is where you get TremPro 626

Just FYI: Vulkem is now called TremPro, and is sold in all Fastenal stores. If they don't have it in stock they can order it in within a few days. This goes for Canada and the US.

There are many colours and consistencies of TremPro. 626 is a grey colour, and seems to be the version of choice for us AS trailerites.

It is manufactured by Tremco Inc.
“Courage is being scared to death, but saddling up anyway.”
...John Wayne...........................
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Old 02-14-2015, 04:58 PM   #8
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1969 23' Safari
Blenheim , Ontario
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And make sure you give the stainless screws/ olympic rivets some sealant as well!

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