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crimsondr

Starting Member

1

Sunday, July 3rd 2011, 8:06pm

Question about building a manifold

Hi all,

The line from my water meter is 3/4" so I am also using 3/4" for the sprinkler main line.

Question: if I build my own manifold with 3/4" pipe and tees, will this reduce the pressure/gpm too much? I will probably have 4-5 zones.

I ask because it seems that the tees will reduce the pipe diameter at those locations since they are insert fittings, thus reducing pressure/gpm. Just not sure how much reduction and what the impact would be.

Thanks.

Wet_Boots

Supreme Member

Posts: 5,287

Location: Metro NYC

2

Monday, July 4th 2011, 8:31am

sight unseen, you should upsize to one-inch plumbing

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