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05-21-2009, 01:49 PM
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#1
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4 Rivet Member
2005 31' Classic
Sunrise Beach
, Missouri
Join Date: Jun 2007
Posts: 252
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Replacing Plastic water drain valve with metal
Has anyone found an acceptable metal petcock valve to replace the plastic water drain that is very susceptible to breakage? On our return trip yesterday, we apparently had something bounce from the road, break our valve, and drain our water tank. Fortunately we were on our way home so the fresh water wasn't critical, but it could have occurred at an inconvenient time. Appreciate any advice that you have on this subject.
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05-21-2009, 03:20 PM
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#2
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Rivet Master
1991 34' Excella
Princeton
, New Jersey
Join Date: Aug 2003
Posts: 7,070
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Mine broke on the way into Dawson City Yukon. Good thing we were carrying corks because it was a long way to Camper World.
Have you considered putting a rock shield just forward of the valve?
__________________
WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles
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05-21-2009, 03:47 PM
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#3
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4 Rivet Member
2005 31' Classic
Sunrise Beach
, Missouri
Join Date: Jun 2007
Posts: 252
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Our unit has a rock shield on the bottom of the valve and we will look at the possibility of adding to the existing shield. Would also appreciate hearing of anyone who has converted this valve to a metal (brass) version which would be more impervious to the elements and flying debris.
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05-21-2009, 06:40 PM
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#4
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Rivet Master
2011 34' Classic
Westchester Cty.NY
, / Miami FL
Join Date: Jul 2007
Posts: 3,122
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it might be better to break a plastic valve than risk breaking the tank.
__________________
Ricky
2012 F150 Super Crew 5-1/2' bed Ecoboost 4x4 3.73 elec. lock diff. Propride hitch
give life. kidney & pancreas transplant 9/9/06
Ingrid-my unofficial '"World's Oldest Streamer" 1909-2008 R.I.P.
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05-21-2009, 08:54 PM
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#5
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4 Rivet Member
2005 31' Classic
Sunrise Beach
, Missouri
Join Date: Jun 2007
Posts: 252
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Quote:
Originally Posted by richinny
it might be better to break a plastic valve than risk breaking the tank.
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The plastic valve is attached to a rubber hose inside of the galvanized belly pan and to the tank on the other end. A metal valve if damaged would not affect the tank itself.
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05-22-2009, 03:17 AM
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#6
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Rivet Master
2011 34' Classic
Westchester Cty.NY
, / Miami FL
Join Date: Jul 2007
Posts: 3,122
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that would work :-)
__________________
Ricky
2012 F150 Super Crew 5-1/2' bed Ecoboost 4x4 3.73 elec. lock diff. Propride hitch
give life. kidney & pancreas transplant 9/9/06
Ingrid-my unofficial '"World's Oldest Streamer" 1909-2008 R.I.P.
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05-22-2009, 05:25 AM
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#7
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4 Rivet Member
1977 31' Sovereign
Manchester
, New Hampshire
Join Date: May 2006
Posts: 347
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They make press on brass valves that can connect to copper,pvc,plastic and rubber I believe.
__________________
1976 Airstream Sovereign International Landyacht (renovating)(found DOM plate said 1976)
1968 Airstream Caravel 17 footer
2004 Nissan Titan with BT package
K/N Cool intake air
Duel power exhaust
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05-22-2009, 08:14 AM
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#8
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4 Rivet Member
1975 Argosy 24
Malakoff
, Texas
Join Date: Apr 2009
Posts: 490
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The added weight of metal on the side of the tank
could cause extra vibration stress around the female
moulded portion of the tank.........I replace mine with
an inexpensive "plastic" ball valve type for the reason
I gave above.....I admit considering metal.
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05-22-2009, 08:32 AM
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#9
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moderator
Commercial Member
2016 27' International
Currently Looking...
Wilton
, California
Join Date: Aug 2008
Posts: 1,711
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Quote:
Originally Posted by kennethowens
The added weight of metal on the side of the tank
could cause extra vibration stress around the female
moulded portion of the tank.........I replace mine with
an inexpensive "plastic" ball valve type for the reason
I gave above.....I admit considering metal.
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I had a problem with the draining of my tank. Upon inspection I noticed the plastic valve is actually mounted to a housing and linked to the tank with the small plastic hose. The hose was kinked from the factory . The PO must have been really frustrated by this or never used the fresh water tank?! I just replaced the small hose and everything works perfect. If you wanted to change the valve to metal it would have no negative effect on the tank as the weight is on metal metal housing. Atleast this is how mine is constructed
Vin
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