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Old 09-08-2013, 05:54 PM   #1
1 Rivet Member
2009 25' FB International
Corpus Christi , Texas
Join Date: Jul 2011
Posts: 9
Drain petcock replacement '09 International

On a trip to Alaska this summer, some rocks from a gravel "highway sheared off the fresh water drain petcock on our 2009 25' International CCD. The only piece left was the plastic flange. I removed the 2 screws and tried to pull the remaining piece from the back side of the flange into the tank with pliers and met with no success. Any suggestions would be greatly appreciated. I found another thread and it talked about enlarging the hole in the tank, but, I'm leery of doing that. Once the old piece is removed, what would be the suggested sealant to re-seal the valve to the tank?

I had to use some RTV to seal the petcock on the trip so that we could continue to use the fresh water tank on the 3 month trip. I was surprised that it held for about 7,000 miles of driving.

THANKS for any help that can be provided!

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Old 09-08-2013, 07:40 PM   #2
Rivet Master
1994 30' Excella
Mississauga , Ontario
Join Date: Jun 2004
Posts: 879
I am quite certain that there is a vinyl tube between the drain valve and the polyethylene water tank. The actual drain valve with flange is screwed to the metal pan that helps support the tank itself. Hose clamps hold the tube to both the tank and valve. Since this is assembled before the floor at the factory the hose clamp screws are usually not easy to access from below. You need to cut an access hole in the bottom of the metal pan to get at the tubing.

Al and Jean

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Old 09-08-2013, 08:02 PM   #3
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2007 30' Classic
Oswego , Illinois
Join Date: Jul 2010
Posts: 8,191
Replace with this aluminum. Should be more robust.

RV Fresh Water Drain Valve Flange 3 8" or 1 2" Won'T Fail Ever Again | eBay

"If the women don't find you handsome, they should at least find you handy." - Red Green
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Old 09-09-2013, 05:47 AM   #4
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Vintage Kin Owner
Memphis , Tennessee
Join Date: Jun 2013
Posts: 260
Are you talking about the line drain or the tank drain valve ?
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Old 09-09-2013, 07:52 AM   #5
1 Rivet Member
2009 25' FB International
Corpus Christi , Texas
Join Date: Jul 2011
Posts: 9
It's the plastic tank petcock drain valve that is located on the road side wheel well.
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Old 09-09-2013, 11:22 AM   #6
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2012 30' International
Walkerton , Virginia
Join Date: Dec 2003
Posts: 2,369
My 98 has an access panel in the underbelly that allows access to the drain. However I had to use a dremel to cut the hose clamps. Job was easy.


Somebody, please, point me to the road.

AIR 3987
wbcci 9239 (Re-enlisted 2013)
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