drip irrigation with a down stream valve

pull-doNovember 25, 2012

Had a irrigaiton meter put in at the house,, 3/4" line, brought it in to property, elevated to 2' and left it with a cut off valve, I was going to install a drip irrigation to the raised planter boxes, (vegetables),citrus trees, and then a stand of containers along with a protected area for tomatoes and whatever,,, the problem I have is I have to put a anti-siphon valve first off the main line, no problem I'll do it, but from there I planned on breaking the header off into 4 different runs and installing a block valve out at the end of the one run towards the end of the property for future "hose dragging",,, all my research says there is "no" anti-siphon valve recommended with a block valve downstream.

I was hoping somebody could recommend a anti-siphon that would work with a downstream valve that I could get by the city codes. City is no help, they're clueless, just has to pass inspection,,,, duh!

thanks for reading such a long winded post,


Thank you for reporting this comment. Undo


Are you interested in protecting everyone's(including your own)water supply from bacterial contamination or find a way to circumvent the bureaucratic no-sense municipal water regulations? Aloha

    Bookmark   November 26, 2012 at 10:03PM
Thank you for reporting this comment. Undo

My whole yard is on drip. I have 14 systems the only anti-siphon valve I use is on the four way manifold. I got all my parts at lowe's and home depot.

    Bookmark   November 29, 2012 at 7:43PM
Thank you for reporting this comment. Undo

It is important that the backflow preventer be higher than any outlet to prevent siphoning. All irrigation systems have zone control valves downstream of the backflow preventer so I cannot see how installing a hand block valve would be a problem.

If you are running a hose uphill from the valve you would need the backflow preventer to be higher than the highest point you want to irrigate.

    Bookmark   February 12, 2013 at 12:16PM
Sign Up to comment
More Discussions
Irrigation upgrade - who to call?
My property has an old irrigation system. It works...
cakbu z9 CA
First experience with irrigation system
Our builder installed, as a part of the "package",...
Correct irrigation design for perennial/shrub border
I've finally bitten the bullet and had a swimming pool...
sprinkler selection question
I'm doing some sprinkler maintenance and replacement...
Rain barrel with gutters that drain to sewer - can't alter gutters
Hello, I'm wondering if anyone has advice for how to...
Sponsored Products
Achla Designs Door Mats Persimmon Orange 4 ft. x 6 ft. Indoor/Outdoor Area Rug
$34.97 | Home Depot
Danze® Como™ Single Handle Vessel Filler - Brushed Nickel
Modern Bathroom
Red 7'' Flameless LED Wax Candle
$36.99 | zulily
4-Pc. Cherrywood Wine Set
$34.99 | Dot & Bo
Nelson Sprinkler Automatic Water Shut Off Timer - 1404-4689
$27.99 | Hayneedle
Uttermost Montagano Ribbed Ceramic Blue Table Lamp
Lamps Plus
People viewed this after searching for:
© 2015 Houzz Inc. Houzz® The new way to design your home™