How to repair a Backflow Preventer in 4 minutes

Описание к видео How to repair a Backflow Preventer in 4 minutes

If you have a leaking backflow, there could be several causes. The most popular is a broken or frozen bonnet or poppit. This video shows you the easiest way to replace these backflow parts. This is particularly for a Febco 765, but applies in principle to many different types of gravity back flow preventers.

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