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Monday, May 7th 2012, 12:48pm

Author: jbabq

Emergency shutoff valve questions

Hi all -- I'm replacing some class 200 PVC in an existing system that's getting brittle and starting to fail in places. In doing this, I need to replace the emergency shutoff which is a basic gate valve that has corroded open. This valve comes off a T in the main copper water line and then has a short stub piece that transitions to the PVC. I was thinking I would just stub off the T in main line and transition to PVC, then install a PVC ball valve. My local sprinker shop advised against this as ...