Re: Water heater intake nipple leaking
Posted by hj on December 29, 2003 at 10:12:48:
In response to Re: Water heater intake nipple leaking
If you have used three nipples and still have the problem, then the nipples should not be the cause. The process of glass lining the tank can sometimes allow the material to get into the threads and then you have to use a tap to remove the obstruction.

: Hi. My husband and my Dad just put in a new Rheem 40 gallon water heater. The cold water intake nipple won't stop leaking even though they used teflon tape. When they put the tape on it, the threads really cut into the tape. The tape is all bunched up at the top on the outside when the threads are screwed together. When they unscrew it, there are three or four completely clean threads, plus it leaks. (Teflon tape was used successfully on the top threads.) They took off the tape and used pipe joint compound. This didn't help either. They also replaced the nipple three different times, with three different nipples. Each one leaked. They hoped it would self seal overnight, but it's still leaking, and it's getting worse.

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