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absolut_tad

Starting Member

1

Tuesday, September 15th 2015, 11:25am

Design for Installing Automatic Drain Valves

I'm installing my own irrigation system and I have a question about design/setup of automatic drain valves. In the documentation I've read it states to place the drain valves at the low points of each zone which I have, however after setting up my zones I came to realize that all the images I've seen online have the drain valve before the last sprinkler head, not "T"ing off and stopping at a drain valve. I've added links to the show my current design.

Picture 1
Picture 2


Should I have any concerns with this layout and could it cause any issues when I have someone blowout the lines this fall? I should mention that I live in a freezing temp climate (Minnesota).

Thanks you in advance.

SunCoLawns

Advanced Member

Posts: 111

Location: Omaha, Nebraska, USA

2

Tuesday, September 15th 2015, 1:42pm

The way you have your drain valves plumbed is fine. You need to make sure you have your drains at all the low points in each zone, not just at the last head or the lowest head.

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