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Old 07-19-2010, 08:34 AM   #1
2 Rivet Member
jasper2222's Avatar
1996 25' Excella
Tallahassee , Florida
Join Date: Jan 2004
Posts: 59
Attaching new flanges to gray and black tanks?

One of my tank flanges (96 excella) cracked and I am in the process of replacing them on both tanks. The flanges are clamped on with a bayonet clamp. Originally if looks like AS also used Vulkem as a double safeguard. With the Vulkem on there, they were a "bear" to get off. Do you think Vulkem is really needed? I would like for the plumbing to be a little more user friendly, but don't want it leaking either. Is tempro any more or less user friendly.

thanks, Richard

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Old 07-19-2010, 09:17 AM   #2
4 Rivet Member
damonbeals's Avatar
1998 31' Excella 1000
1979 23' Safari
Mooresville , Indiana
Join Date: Aug 2007
Posts: 490
Our 98 Excella also had the white plastic flanges that cracked and started leaking. They where not sealed with Vulkem, but I did use some on the seal, as I couldn't find a replacement, and had to reuse it. The ABS replacement flanges from Out of Doors Mart should not have the same problem as the white plastic flanges from Airstream.

I think the bayonet clamp is all you need as the ABS tank is soft enough will compress against the new flange.

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