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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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1974 31' Sovereign
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 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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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
Join Date: May 2008
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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.
If it's to be, it's up to me.
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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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