Questions tagged [irrigation]

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3answers
28 views

How to manually turn on irrigation sprinklers

I recently moved into a new home & the previous owners didn't particularly maintain it. Among the things that are in disrepair, only a fraction of the irrigation system works. The popup sprinklers ...
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1answer
33 views

Water leak at outside copper-PVC pipe connection

The water supply to the irrigation system includes a connection between copper and PVC pipes, located a few inches above the ground. The PVC pipe connected to the copper pipe (blue in the picture) ...
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1answer
141 views

Why doesn't my sprinkler system work after making a repair splice in the wire? [closed]

I hit my sprinkler wire with a shovel while digging a trench for Termidor (for the exterminator). The cable is completely worn so that I can't read anything on it except that it's 18/5 Type CL2. It ...
2
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1answer
41 views

How do you recommend connecting polyethylene tubing to soaker hose?

To build a drip irrigation system for raised beds, I connected a polyethylene tube (carrying water to the plant beds) to soaker hose (used on the beds themselves). The PE tubing is 0.6 inches inside ...
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0answers
27 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
68 views

Do I need to winterize black polyethylene sprinkler pipe?

A gentleman at the sprinkler supply store told me black polyethylene sprinkler pipe doesn't need to be protected from freezing; that it can handle the expansion. I'm looking for a second opinion on ...
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3answers
55 views

GFCI won’t turn on

I’m replacing the 1pole breaker at the main panel with a GFCI. This feeds a boat house (underground) that has sub panel with two breakers, one for an irrigation pump the other for lights and a ...
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1answer
19 views

How do I set the Rain Bird ST-8 2.0 to work with an indexing valve

Equipment: Timer: Rain Bird ST-8 2.0 Indexing Valve: K Rain 4000 4 zone I recently had a new irrigation timer installed, the unit I purchased required the use of a pump relay due to the voltage ...
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2answers
72 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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1answer
55 views

Using 1.25" SCH 40 PVC pipe to protect hose for irrigation

I'm setting up a simple irrigation system on my farm to deliver water to my fruit trees. What I want to do is to run a hose (a simple garden hose) through 1.25" schedule 40 PVC pipe to protect ...
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1answer
30 views

Irrigation system code

I'm doing research on what I want for my irrigation system and I have the following two questions: The City of Denver requires that the PVB be 12" from the wall as documented here. What's the ...
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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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1answer
55 views

Can you use wirsbo/uponor/expansion pex for underground sprinklers?

I cant find much information around this online, it appears that its possible.
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1answer
35 views

How inaccurate and in which direction will a vertically mounted flow meter be?

I use several Netafim flow meters and I use them successfully without complaint. However, it has come to my attention that they cannot be used in a vertical orientation. I have two questions about ...
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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 ...
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1answer
51 views

Rooftop garden irrigation: Some plumbing questions

I have several medium-sized planters on the roof of my building that need to be watered when I'm away. I have access to a standard garden faucet, but there is a "walkway" of sorts between ...
-1
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1answer
52 views

Water Meter Suggestion for someone on well water? [closed]

I am installing an underground waterline for irrigation by tapping into the home water line. Since I have well water I don't have a water meter. However, I would like to install a simple but ...
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3answers
121 views

Pressure Tank Size for a Variable Speed Submersible Pump

Information seems vague or non-existent from pump manufacturers. I need to know what size pressure tank is required for my setup, and all I'm getting is "doesn't need much" or "x ...
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4answers
79 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. ...
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2answers
165 views

Found Well in Backyard -- How to install pump?

In my backyard there is this well, I think, that has water in it. As you can see, there is a well casing and then a pipe in between. I have no idea how to install a pump and such, and am not sure ...
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2answers
46 views

Most efficient garden irrigation for rainbird kit?

I am using Rainbird brand irrigation kit to water my garden and am trying to find the optimal layout for the sprayers. The kit i bought connects from a standard garden hose to the 1/4" hose that ...
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1answer
70 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
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
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
54 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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1answer
776 views

Need advice making a self-watering moss pole for plant

Wasn't quiet sure where to post this, but I am helping my wife make a Moss pole for her plants. The purpose of the moss pole is so that the roots of the climbing plants attach to it and grow bigger (I ...
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2answers
34 views

Submersible water pump pressure

I'm terribly new at this and have no idea what I'm doing so please do bear with me. I have a submersible pump that I want to use in a small rainwater tank to water my garden either through your ...
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2answers
81 views

Screw stuck on backflow test cock - thoughts before replacing?

I was draining my backflow prevention device before a deep freeze. I removed the caps on the test cocks and got sprayed by a nice gusher of water from one... apparently the test cock has been open for ...
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1answer
44 views

Draining the irrigation valves shown - confused about which side is inlet and identifying components?

I'm trying to understand what I'm looking at with my sprinkler underground irrigation valve box, for the purpose of draining for a freeze. All of my relatives in Houston know how to do theirs, but ...
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3answers
51 views

What are the connectors for black irrigation hose called?

I’m fixing my irrigation and there are some cracks that I need to cut out and reconnect them. I have these connections already but being new to irrigation, I’m not sure what to call them. See the ...
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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 ...
2
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1answer
576 views

I know there is a pressure vacuum breaker here, but what is the rest?

First, a labeled picture of the situation: There are three ends, two in the ground and one in the house. How can I figure out which way the water is flowing? There are four labeled valves (and one ...
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2answers
84 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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3answers
824 views

How can I fix pooling water due to my fence?

I got my fence installed a few months ago on a down sloping part of my yard. I need to resolve the nagging issue I have of water pooling due to it not being able to get through the fence fast enough. ...
2
votes
1answer
74 views

Replumb sillcocks to increase outdoor pressure?

I'm trying to increase pressure to my outside hoses for lawn watering and noticed that the sillcocks are all after my whole house water filter and they are all 1/2". Because of this, when I run ...
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3answers
1k views

water pressure drops when irrigation system is turned on

I am using well water. The static pressure measured with the outside faucet is 60 psi. When irrigation system is turned on, the water coming out of all sprinkler heads in any zone is weak. I guess the ...
0
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1answer
26 views

Is there a reason to install anti-siphon valves and a backflow protector on the main line?

The irrigation system that came with our house (looks like a DIY job) has a backflow protector on the main line and all the valves are anti-siphon. The valves are old and some of them leak so we're ...
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0answers
58 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 ...
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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 ...
2
votes
1answer
50 views

Access for Shut-Off Valve

I am installing a mainline for a residential lawn irrigation system. I laboriously dug down to the pipe leading to a yard hydrant, three feet deep. I installed a tee, and on the branch from the tee ...
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1answer
96 views

Running PEX line through PVC then thread into end

I installed an irrigation system for my lawn with 1/2" PEX tubing. Most of it is buried, but at the start of the run I want to run it through some PVC to make it look cleaner where it is coming ...
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1answer
38 views

Increasing water supply for an irrigation system

I am in the process of planning to install and irrigation system for our front yard. I have been following guidance provided on the Rain Bird site. I have measured the pressure at the faucet, and it ...
-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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1answer
200 views

Proper wiring for irrigation pump

I'm attempting to reconnect an outdoor irrigation pump and I'm unsure which wires should connect to which terminals (labeled L1 and L2) in the pressure switch. The pump is a Myers HJ100S and the power ...
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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 ...
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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 ...
0
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2answers
885 views

Can I remove and replace barbed connector in 1/2" drip tube?

I have a drip irrigation system with 1/4" tubes connected to the 1/2" main tube via punched-in barbed connectors. I'm now making some adjustments. Is it possible to remove and replace these barbed ...
1
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2answers
65 views

Help with fairly basic irrigation system

I’m having my backyard dug up and regraded next week in order to install sod and so I figured I’d try and take a stab at designing and maybe installing an irrigation system as the area is not very ...
1
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1answer
71 views

What is the name of this pool or irrigation part?

Currently in a swimming pool shed. A distributor? This device takes water in the top, and outputs it alternately to one of five pipes at the bottom. When working it makes a clockwork sound. There are ...
3
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2answers
367 views

Well pump issues for irrigation system

I bought a house a few years ago and am finally getting around to working on the irrigation system. I have what I believe are two separate wells for outside water - one for the irrigation system and ...