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Old 06-19-2006, 02:03 PM   #1
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Hi Folks. I have developed a leak which has to be where the black (yes, black, maybe 1/2" circa 1981) pipe from the fresh tank attaches to the fill valve. It leaked a little for a while when I filled the tank, but now it continues to leak AFTER I have filled the tank and it doesn't stop leaking until the tank is down to about 3/4 full. It's a 100 gallon tank so I am losing about 25 gallons every time I fill up.
The pipe is clamped onto the valve with a steel or aluminum band which appears to be crimped in 2 places 180 degrees apart.
I don't have that kind of a clamp, or a crimper. Do you think cutting off the end of the pipe, along with the clamp, putting the pipe back on and using a plain old screw-tightened hose clamp would work?
It has stopped leaking now, but in a week or 2 I'll need to fill up again.
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Old 06-19-2006, 02:03 PM   #2
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Hi Folks. I have developed a leak which has to be where the black (yes, black, maybe 1/2" circa 1981) pipe from the fresh tank attaches to the fill valve. It leaked a little for a while when I filled the tank, but now it continues to leak AFTER I have filled the tank and it doesn't stop leaking until the tank is down to about 3/4 full. It's a 100 gallon tank so I am losing about 25 gallons every time I fill up.
The pipe is clamped onto the valve with a steel or aluminum band which appears to be crimped in 2 places 180 degrees apart.
I don't have that kind of a clamp, or a crimper. Do you think cutting off the end of the pipe, along with the clamp, putting the pipe back on and using a plain old screw-tightened hose clamp would work?
It has stopped leaking now, but in a week or 2 I'll need to fill up again.
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Old 06-19-2006, 04:23 PM   #3
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Oops. After careful examination, it is the 2 piece Thetford City Water Inlet that is cracked, at the base of the threads holding the pipe fitting on.
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Old 06-20-2006, 12:13 AM   #4
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Replace the city water inlet check valve and you should be good to go.
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Old 07-10-2006, 06:05 AM   #5
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I found out that Thetford no longer makes this valve, and I'm out in the desert, so I repaired it by forcing some Goop into the crack and then clamped it with a vice grip for 24 hours. It may not last forever but it is working fine now.
It didn't leak when I filled the tank about a week ago and it hasn't leaked a drop since.
Goop - Don't leave home without it.
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