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cozz55

Starting Member

1

Monday, July 5th 2010, 9:16am

PVB sizing

My supply to my sprinkler system is 3/4"...what size PVB should I install 1" or 3/4"...is there any advantage to 1"...also, should I sweat it in, or install a PVB with unons?

Wet_Boots

Supreme Member

Posts: 4,061

Location: Metro NYC

2

Monday, July 5th 2010, 12:04pm

no advantage in upsizing the PVB, since they are flow-rated like water meters are, and capable of handling flows way beyond what your sprinkler system would use

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Unions are rarely used when installing PVBs

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