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The last 3 posts

Thursday, May 15th 2008, 10:39pm

by mrfixit

Hole drilling.

Do yourself a favor and do NOT drill any holes. Nothing like pvc sawdust inside your valves or whatever. That stuff never disolves. Maybe look into a slip-fix or compression coupling as other options. Using one of those funky tees you described would be my very last choice. It'd have to be an emergency and the only way out. Good chance it will eventually leak.

Thursday, May 15th 2008, 2:46pm

by HooKooDooKu

The best way to tap into a PVC mainline (from a long-term reliability stand point) is to just glue in a standard PVC Tee fitting.

If you can uncover enough pipe, you cut out a section something on the order of 1-1/2" long, glue the Tee to one side, then bend the pipes just enough to glue the other side in.

If you cant uncover enough pipe for bending, you can also use the trick of 4 90 degree elbows. For this trick, you cut out a section of pipe on the order of 1 foot. You then glue 90 degree elbows to the two exposed pipe ends, pointing them both to the left or right (they must line up exactly). You then connect two 90 degree elbows to a Tee. The tough part is getting these elbows to be exactly the same distance apart as the two elbows on the mainline. But once you've done that, you then glue the two pairs of 90 degree elbows together. The result would look something like this...

-----+*****+---- <-- Existing Mainline
.....|.....|.... (Dots to force spacing of image)
.....+--+--+.... (* denotes cut-out mainline)
........|....... <-- Irrigation Ty-in

Thursday, May 15th 2008, 2:18pm

by Jimmy Kodak

quicky Tees

Hi, which of the "add on" tees do you recommend (the ones that clamp onto the supply line and then you bore a hole to create a branch line)?

There are several in the on-line store. I have a 1" PVC supply line that I am trying to tap into.