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RPZ Horizontal Installation
- Thread starter texanman
- Start date
You are incorrect in stating that an RPZ requires horizontal installation. There are several rated rpz that are allowed to be vertical.
Go to for a list of which backflow protectors are rated for vertical flow.
If the rpz is small(~1" or less), above the ceiling can be worked - I wouldn't do it because you still have to drain the relief so you will have a pipe coming out of the ceiling to the drain
Go to for a list of which backflow protectors are rated for vertical flow.
If the rpz is small(~1" or less), above the ceiling can be worked - I wouldn't do it because you still have to drain the relief so you will have a pipe coming out of the ceiling to the drain
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