Questions tagged [irrigation]

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32 questions with no upvoted or accepted answers
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270 views

Troubleshooting sprinkler system pressure

Just moved into a new house and am trying to figure out the sprinkler system. The house was built in the 60's and it appears (Found the manual for the pump) the irrigation system was installed then as ...
2
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1answer
2k views

Irrigation backflow preventer spigot location question.

I'm not sure if this is the right category to post this so here goes. Long story short I am getting ready to install my backflow preventer, Zurn 34-720A Wilkins Pressure Vacuum, on my DIY irrigation ...
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0answers
45 views

For Drip Irrigation can I add a second backflow preventer after an anti siphon valve?

I'm installing a residential drip irrigation system for my home. I understand the need for backflow prevention and plan on using anti siphon valves. I have one area that is a full story higher than ...
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0answers
26 views

Is it OK to install an irrigation system in a half longitudinal sectioned drain pipe, under the slabs of a garden edge?

Here is the picture that is worth 1000 words Since I am about to install the edging that you see in the backyard (area covered by the runs 1-4) I am considering installing the irrigation runs in a ...
1
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0answers
355 views

Yard hydrant on top of well?

Well with pitless adapter. Cold climate. Water lines installed at 8 feet below grade. Right now to irrigate my orchard, the water goes from the well, 200 feet to the house via 1" line, then 200 ...
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0answers
75 views

What size RPBP/RPZ should I use for a 3/4" city water meter?

A friend has a 3/4" (0.75") water meter at their 1.3 ac property. We want to do some fertigation with their irrigation so we're looking at a Reduced Pressure Backflow Preventer. The main line for the ...
1
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0answers
82 views

Off-Grid Garden Irrigation Pump/Plumbing Question

I am trying to design a system for irrigation of a garden area that has no access to grid electricity, but does have a 24V solar system. There is a spring/seep with a tank at relative elevation 0. ...
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0answers
204 views

Almost no pressure in sprinkler system, slight vibration in pipes

I just started setting up the sprinkler systems in a new house that I'm renting. The pressure in one of the systems is almost nonexistent, and the pipes that run to the irrigation system vibrate very ...
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0answers
107 views

How can I trace my irrigation system without any sprinkler heads?

I just bought a home in Arizona that came with an irrigation system in the backyard. There are no sprinkler heads so I have no clue where the lines are. How can I get info on where to plant based on ...
0
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1answer
50 views

Backflow preventer spewing water

I have a lf009mq2t watts backflow preventer which starts spewing water from its center nozzle anytime any of my three irrigation lines stops running (or if I run a hose while its valve is off). I can ...
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0answers
28 views

Does hose bib affect Backflow Preventer/Pressure Vacuum Breaker?

I have a Pressure Vacuum Breaker (PVB) that I've installed that is 12" above the highest point of sprinklers, as recommended by install guides. I'd like to add a hose bib downstream of the PVB. ...
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2answers
78 views

Irrigation Zone Off When Should Be On, On When Should Be Off

I have been replacing irrigation lines, switching from buried black poly lines to buried PVC pipes. Summary When I open Zone 1 (for sprinklers), the nothing happens. When I open Zones 2-5, then Zone 1 ...
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0answers
22 views

Sprinkler Zone Drops in Pressure

I have a situation I've never seen previously. I have a zone of sprayheads (popups) that should have sufficient pressure, based on testing of the system GPM (15gpm) and the requirements of the six ...
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0answers
21 views

Sprinkler zone and valve identification issue

My sprinkler system has 4 zones that go to 4 valves. 1 goes to the front and 2-3 go to the back. All sprinklers are activated with these 3. However, zone 4 also activates its valve and I hear the ...
0
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1answer
72 views

Lawn irrigation system with shallow well supplied water is slow to start spraying at sprinklers

My property has a lawn irrigation system that is supplied by a shallow well. It has worked satisfactorily for the last 4 years that I've owned the property. Recently the pump lost prime and I had no ...
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0answers
35 views

Installing power for irrigation controller in conduit?

I have a property where the irrigation controller is mounted on an exterior wall-its power cable is plugged into a wet in use GFCI outlet. Beyond the outlet, the power cable hangs off the wall and is ...
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0answers
59 views

Irrigation system B-Hyve with manifold away from the faucet

I am using 3 B-hyve Smart Hose Faucet Timers to schedule watering. The current system is connected as: Faucet ---- ~35 ft garden hose ----- backflow preventer ---- 4-Way Hose Faucet Splitter --- 3x (...
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0answers
30 views

What is the name of these irrigation parts

Both the grey part with compression rings, and the T and elbow (not shown) joints. Along with solonoid valves, they are used to make up a manifold where the mains water is sent to different irrigation ...
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2answers
85 views

Options for adding an additional valve to irrigation system

I currently have this setup: In the diagrams below the green circles are individual valve boxes (why would they have used 3 boxes instead of 1 here?), the black lines are 1" plastic irrigation ...
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0answers
60 views

Installing a yard hydrant from home water line, do I need a backflow preventer or vacuum breaker?

I'm installing a yard hydrant off my house water line (well water). The hydrant will sometimes be used for garden drip irrigation and so will be open for days or weeks at a time. The drip system ...
0
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0answers
25 views

Two pressure regulators on one zone?

I have what looks like a filter and pressure regulator inline with the control valve for two of my zones. These are the zones that are supposed to be low pressure. But when I recently checked the ...
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0answers
23 views

leaking poly irrigation

I recently discovered the pavers in my back yard had a wet appearance. After tracing the leak I found that one of the 700 black poly irrigation lines had a leak. This is one of three lines I found ...
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0answers
79 views

Irrigation system: Backflow Preventer -> Master Valve vs Master Valve -> Backflow Preventer

I am in the process of designing my irrigation system, and I saw many people install the backflow preventer (reduced pressure zone device) first and then connect to an automatic master valve. However,...
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0answers
33 views

Running easily replaceable water line underground

I'm running a trench out to my shed for electrical. I'd like to use the same trench for a water line so I can have a spigot back there, and possibly future sprinklers. I'd also like to make it fairly ...
0
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2answers
217 views

How to set up a basic single-zone irrigation system

I am thinking of installing a very basic irrigation system (one zone) to water the area but I do not know where to start. Below is a basic diagram of the area I want to water. I want the irrigation ...
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0answers
48 views

Sprinkler System Problems

I have an Orbit Home B-Hyve wifi sprinker system, which has worked great for like 18 months. However, three days ago it just stopped working completely. When I manually engage a zone from my phone, ...
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0answers
783 views

Irrigation pressure vacuum assembly leaking

I am trying to dewinterize my sprinkler system the first time in a home we moved into. After turning on the water to it from the basement, the pressure vacuum assembly just outside the house was ...
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0answers
831 views

Backflow Preventer / Vacuum Breaker that doesn't spray water everywhere?

I water my garden on a timer with an small irrigation system. Last year towards the end of the season, any time the water pressure changed inside the house, everything by the spigot was soaked with ...
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4answers
83 views

How to properly install irrigation system/garden faucet

I want to install an above ground irrigation system for our flowers (large flower farm). The part I am having trouble with is how to properly connect to the main water supply without having backflow. ...
-1
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1answer
101 views

Getting pressurized water from old irrigation well system

We bought an old vineyard that has an existing well & irrigation system. There is a 3" pipe that comes up from the well at an angle. This leads into a vertical pipe which has a screen which ...
-1
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2answers
76 views

Simple Home irrigation (pop-ups and drip) - valve box required?

I'm in the process of learning / planning a simple home irrigation system. I have a small lawn (<30m2) where I plan to install two small pop-up sprinklers. Additionally I have flower beds (<10 ...
-1
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1answer
565 views

Irrigation Ball Valve Replacement

The 3/4" ball valve coming out of the house has cracked and is leaking. Is the only way to replace is to cut the pipe below the valve and then on the other down pipe going into the cement? I haven't ...