Questions tagged [irrigation]

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2
votes
1answer
82 views

Can you run too big of a water pipe from the main?

I am putting in new irrigation and supply lines for my remodeled backyard and I've done my homework on water pipe sizing, but I'm left wondering if I'm installing too big of a pipe onto the main. The ...
2
votes
1answer
31 views

Can I eliminate irrigation vacuum breaker after installing upstream RPZ?

I have an atmospheric vacuum breaker on the feed from my meter to my lawn irrigation system. I am going to install a water-powered backup sump pump in the basement. (This uses city water pressure ...
1
vote
2answers
36 views

Pigtail Line Side of GFCI

Is it O.K. to put a pigtail on the line side of an outdoor GFCI to power an irrigation pump (via relay)? The outlet would be used for the irrigation controller and misc. outdoor electrical items. The ...
0
votes
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 ...
0
votes
4answers
53 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 ...
1
vote
1answer
35 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) ...
2
votes
2answers
2k views

Why would capping one sprinkler zone cause my toilets to whistle?

Ever since they capped one of the sprinkler zones in an area that no longer needs watering, two of my toilets start whistling when the sprinklers are running and only stop when I flush them. How can ...
0
votes
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 ...
-1
votes
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. ...
0
votes
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 ...
1
vote
2answers
162 views

Do I need a pump for my sprinkler zones that are minus 70 feet elevation?

I have a water tank on a hill and some lawns to water at the bottom of the hill. The pipe that connects those two is a 2.5" pipe (yes, really) and when I attach a pressure gauge at the bottom of this ...
2
votes
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 ...
0
votes
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 ...
0
votes
1answer
143 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
votes
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 ...
0
votes
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. ...
0
votes
2answers
74 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 ...
0
votes
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 ...
2
votes
2answers
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 ...
0
votes
3answers
56 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 ...
2
votes
2answers
8k views

Can I connect a water hose to an irrigation system?

I am planing to install water lines as you can see in the picture. Right now I I have a water hose that runs along the house, I am referring to the segment that goes along the wall between the patio ...
7
votes
7answers
34k views

How can I stop a barbed coupler from leaking?

This seems to be a common issue (drip line barbed couplers leaking) and I can't find any answers about this online. I'm wondering how others have fixed leaks in the fittings that are supposed to just ...
0
votes
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 ...
0
votes
1answer
56 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 ...
1
vote
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 ...
0
votes
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 ...
0
votes
1answer
59 views

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

I cant find much information around this online, it appears that its possible.
-1
votes
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 ...
0
votes
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
votes
1answer
52 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
votes
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 ...
10
votes
7answers
51k views

How do I easily separate unglued PVC pipe from joints?

I've been retrofitting an existing PVC irrigation system around my house. Part of that work requires that I work in shallow holes adding T joints and elbows in places where there were none before. In ...
1
vote
2answers
169 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 ...
0
votes
3answers
151 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 ...
0
votes
2answers
47 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 ...
-1
votes
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
votes
1answer
34 views

Does adjusting the body of a irrigation sprinkler to orient one side of the sweep cause a leak at the sprinkler unit?

Some irrigation sprinklers say to orient the sprinkler body in such a way as to set one side of the sweep, rotating the sprinkler body if that edge of spray is out of line (Example Video). This ...
-1
votes
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
votes
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
vote
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 ...
0
votes
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 ...
0
votes
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 (...
0
votes
1answer
828 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 ...
0
votes
2answers
35 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 ...
1
vote
2answers
85 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 ...
-1
votes
1answer
52 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 ...
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 ...
-1
votes
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 ...
0
votes
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 ...
0
votes
3answers
52 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 ...