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Old 19-10-2009, 11:21   #16
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I buy joker valves for my Jabsco head from, last one was $9.99. I've learned to replace the bottom valve gasket($17) at the same time as the joker valve then the time between the next replacement is about twice as long.

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Old 20-10-2009, 17:54   #17
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Even West Marine should have them.

Originally Posted by enovillo View Post
thinwater, where do you get the joker valve for $15? All I've been able to find is the whole service kit, which goes for ~$70. Is the joker valve a "standard" size?
Yes, the Raritan valve fits too. It's a really easy job. Not dirty, if the head is well-flushed, so replace it when it is not plugged!

If you flush the waste all the way to the tank, meaning flush enough strokes, then all that can back-flow is clean water of the amount in the hose. It should not be messy or overflow the bowl. If it is messy, someone is not flushing enough.

"Climbing (sailing) is like fun, only different."

Tom Pattey, Scottish ice climber
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