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fcmcommw

Active Member

Posts: 10

Location: USA

11

Tuesday, September 20th 2005, 12:22pm

I have read that the main line that feeds the manifolds should be at leat 18" deep. The deeper the better actually especially in colder climate areas. Actually, any line that has contant pressure is considered a main. Manifolds are not going to sit that deep in the ground so how do I protect the main feeding the manifold? Or do I place a shutoff vavle in the basement on the main that feeds the manifolds and turn it off before the first frost. This way the main outside is empty of water before the freezing temps start occuring. Also, do you recommend the controller on the outside or inside? What has been your experiences with were you put your controller?
Thanks,
Mark

Tom

Supreme Member

12

Wednesday, September 21st 2005, 2:20pm

You absolutely want to have a shutoff valve in your basement with some sort of drain installed right after it, or you can install a valve with a built in drain. Also make sure you use a ball valve as your shut off valve.

I always install controllers in the garage.

Wet_Boots

Supreme Member

Posts: 4,022

Location: Metro NYC

13

Wednesday, September 21st 2005, 5:45pm

If the water meter is in the basement, you don't have to care about the burial depth of any of the sprinkler system pipe, as far as freezing goes, since you will be removing all the water before winter comes anyway.

fcmcommw

Active Member

Posts: 10

Location: USA

14

Thursday, September 22nd 2005, 5:25am

Thanks for everyones help regarding my post. I hope others have learned something as well. I'm ready to start my project. I will start measuring this weekend and taking the appropriate pressure readings using a Toro pressure reader. I have also called the water company to get what they think the pressure is. I will obiviously compare the two. I will take before and after pictures of my yard and my project at each stage. When the project is complete I will post a link so everyone will be able to see the project and provide feedback. My yard looks aweful right now because Chicago had a bad drought this year and they restricted watering hopefully everyone will see the difference by late spring next year. Thanks again guys.
Mark

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