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The last 3 posts

Tuesday, July 6th 2021, 11:55am

by Wet_Boots

Don't use distribution tubing for a buried supply line. Stick with standard plumbing materials. Where you live enters into what are 'standard' plumbing materials. Copper is for people with money to burn, except specifically for the section of pipe that penetrates the foundation wall. (above grade)


As for home automation controlling a sprinkler system, that method will more or less give way to Wi-Fi enabled controllers, which might actually cost less than multiple interface components needed to operate multiple sprinkler zones.

Monday, July 5th 2021, 5:48pm

by mrfixit

Hi, I'm not going to answer a lot of questions on this one because I don't design systems.
I'm a repairman.

I've never seen a sprinkler system run correctly through a 1/2" copper line. I'd up that to 3/4".

Take a look here. Lots of good info.

Monday, July 5th 2021, 7:50am

by syakoban

Basics for Planning a Drip Irrigation System???

We have about 170 feet of gardens in our backyard that I want to add
drip irrigation to. One day we may add lawn sprinklers as well, but I'm
not focused on that at the moment.

I'm putting a trench in for underground wiring that runs out to the main
garden right now and want to rough-in the main distribution for the
drip irrigation in the same trench. I'll deal with adding emitters
and/or emitter tubing in the future - just want the supply buried now.

  1. I see that there is 1/2" and 3/4" distribution tubing. The main gardens
    are about 40 feet from the supply connection and I have to T-off about
    75 feet to get to another. My thinking is it's always better with the
    larger tubing to maintain volume/pressure, but maybe I'm wrong. How do I
    determine what distribution tubing diameter to use?

  2. I'm going to add a new 1/2" copper supply through my basement wall for
    the drip irrigation and potentially future lawn sprinklers, separate
    from the existing hose connection. We have a home automation system that
    I would prefer to use to control the drip irrigation like via a
    solenoid valve, than an external controller or timer. I know I need a back flow valve. Given that scenario,
    what else would I need on my supply to connect up the irrigation and
    eventually lawn sprinklers? Is there any reason why controlling the
    system from home automation is a bad idea?

Any other advice?

Thank you guys!