pvc threads

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Ally68

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I have to thread a PVC into a brass fitting for my main to RPR valve should I use tape and putty or one or the other I was told to tape the PVC threads (male) and putty the inside of the brass fiting(female).

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Jimbo

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Melts the plastic.


By the way, the most common cause of leaks involving plastic threads is OVER-tightening. The manufacturer calls for hand tight plus about one turn by wrench. The lubrication provided by tape or dope makes it deceptively easy to overtighten.
 
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