Questions tagged [irrigation]

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2answers
63 views

What requirements should I look for in an air compressor to clear irrigation lines?

I'm considering purchasing an air compressor to blow out my own sprinklers each winter. (vs paying to have someone else do it) I watched the tech do it last year, and it seemed pretty straightforward. ...
14
votes
1answer
4k views

What are these funnel-looking green things in my yard?

There are 5 or 6 of these funnels on stakes in my back yard from the previous owner. Are they insect bait/poison stations? Repellent stations for chipmunks? (not working in that case!)
12
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2answers
2k views

How can this older-style irrigation tee be replaced?

This reducer tee had a right-angle piece break off inside of it for a feeder line. I tried cutting the black broken piece inside of the reducer section without success. I'm used to schedule-40 PVC, ...
1
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2answers
32 views

Should an irrigation manifold/valve box be situated in the yard (centipede) or landscaping (pine straw)?

In fixing a broken irrigation system, the manifold and all valves have been disconnected and will be relocated in at least some way. The previous setup used round access portals and was neglected for ...
0
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1answer
30 views

(How) Can I reuse this PVC 4-way

Some contractors broke my irrigation system and I'm in the process of repairing it. One of the connections to a PVC 4-way junction had a piece of schedule-40 PVC broken off inside it. As luck would ...
2
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1answer
38 views

How to expand my irrigation system

I would like to add an additional zone to my 4 zone irrigation system. I wondering if I can just add another manifold to my current setup. Below is what it looks like. The problem I think I will run ...
0
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0answers
18 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 ...
0
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1answer
28 views

Low pressure in sprinklers troubleshooting

My sprinklers acts like they don't have enough pressure when they are turned on. If I start closing the heads, from the upper part of the lawn down to the lower part, the pressure seems to build up ...
0
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0answers
32 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,...
1
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1answer
52 views

Filling in a small ditch

I have a small ditch that I dug to route some water. It turns out that it does not work, so I was wanting to fill it back in. The ditch is about a foot deep in some places. Can I compact new topsoil ...
1
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4answers
91 views

Use rainwater to partly supply a sprinkler irrigation system?

I'd like to start capturing rainwater and using it to help supply the irrigation system I already have. It's a standard Rainbird sprinkler system that runs on full pressure water supplied by the city. ...
0
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0answers
25 views

Replacing piping only on sprinkler system?

I have a sprinkler system in my yard with 6 valves. Two are used for drip system piping (one to the front yard which is desert xeriscape), a second for shrubs/trees in the back yard. Additionally, ...
2
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1answer
45 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
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1answer
45 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
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0answers
28 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 ...
1
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1answer
77 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 ...
0
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0answers
10 views

Drip line irrigation system not outputting enough water to soil

We have system setup with c. 75m of drip pipe (spec : [Link: rainbird.com]). At the programmer end we get c. 2 bar pressure, 12L per minute flow. I stuck the pressure meter on the end of the 75m ...
0
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2answers
60 views

How to setup a basic irrigation system (single zone)?

Summer is coming and I am already dreading the watering of the plants, shrubs and trees behind my house. I am thinking of installing a very basic irrigation system (one zone) to water the area but I ...
0
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1answer
23 views

How can I determine existing well PSI / GPM for dedicated irrigation well

I've purchased a home that has an existing irrigation system installed that is hooked up to a well that is exclusively supplying the irrigation system. I live in FL in a very flat area, so we have ...
0
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1answer
36 views

What type of Piping for Reduced Pressure Backflow Preventor for Irrigation System

Looking into installing a above ground reduced pressure backflow preventor for my irrigation system. Looking at many examples and videos online, I saw different types of piping from PVC, Copper and ...
0
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1answer
145 views

indexing valve, all zones on at once

I have one of those indexing valves for my sprinkler system as is common in Florida. The system is pump-fed. Recently, all the zones come on at the same time and as a result the pressure is greatly ...
0
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0answers
37 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, ...
3
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1answer
321 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 ...
1
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1answer
55 views

130 PSI- Irrigation system, water line in house

Had irrigation system installed 2 months ago. Due to location of meter and PRV, the POC was after PRV. After done was told pressure too low even though static pressure was at 63psi, dynamic flow was ...
0
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2answers
195 views

What is this pipe sticking out of the ground?

This is connected to my sprinkler system. It has a crack in the side and leaks when the water to the sprinkler system is turned on, even when the sprinkler system isn’t running. Does anyone know what ...
0
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1answer
143 views

Is there a pressure activated water valve

I would like to buy a pressure activated water valve (for irrigation), so that when the water pressure is above P1, the valve will turn on, and when water pressure drops below P2, the valve will shut ...
3
votes
1answer
131 views

Why did my febco backflow preventer fail?

I'm working as a handyman for a non-profit, and they have an in-ground irrigation system that has been off for a while because "there was a geyser." I successfully determined that the geyser was ...
-1
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1answer
408 views

Is it advisable to connect a sump pump to pop-up sprinkler heads?

My home doesn't offer a great place to eject sump water due to a very level landscape. I'm thinking of adding 3-5 standard pop-up sprinkler heads to the output line. This would allow better ...
0
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0answers
410 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 ...
-1
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1answer
33 views

Repair of Sprinkler system [closed]

Help? My irrigating system peters out towards the end of the tubing. All I get is dripping on my last three plants. What causes that?
1
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0answers
46 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
78 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. ...
1
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1answer
1k views

Winterize Sprinkler System

I cannot find a service in northern NJ to winterize my sprinkler system for less than $100, so I want to try doing it myself, I just don't want to break anything. I've watched a few youtube videos, ...
8
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3answers
1k views

What is this part near the entry point to my irrigation system

Here is the overall view of the valve access box: The valve is turned off because the pipe directly after the valve has come loose from the valve. I'd like to repair this, but I'm not sure what the ...
0
votes
1answer
115 views

What size transformer do I need to power a ¾" 24VAC solenoid valve?

I am trying to automate the irrigation and I read that buying a 24 VAC solenoid valve normally closed would be the best. 12V ones being less reliable due to heat and the big-AC ones clearly not ...
0
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1answer
75 views

Effects of changing pipe size on a water pressure regulator?

I am a biologist and am planning a research experiment. I need to control the water pressure into a drip irrigation system. The water supply is at ~60 psi through a 3/4 pipe. The irrigation emitter I ...
0
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0answers
359 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 ...
0
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1answer
103 views

How to seal small leak in buried irrigation system

I have 800 feet of buried 1 1/2 inch black poly irrigation line. It is fed from a well and feeds 8 frost free spigots. The well has a variable speed pump and I recently noticed that it was running ...
1
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2answers
58 views

How can I test if a PVC irrigation pipe is in use?

While digging in the yard I came across 2 PVC pipes. I broke one of them. I then ran the irrigation and discovered that (luckily) the one that I broke is old and no longer in use. The other I don't ...
0
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1answer
131 views

What is the purpose of ABS pipe in an irrigation manifold

I need to replace a failed electric valve in my drip irrigation manifold. The pipes leading to each valve are 3/4" PVC, but they in turn are enclosed in what looks like black ABS pipe, at least 1/2" ...
0
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1answer
169 views

Hunter PGV diaphragms tearing

I have a 5-zone irrigation system with 1" Hunter PGV valves. This year, I have replaced the diaphragms twice in the same two zones after 10 years of trouble-free operation. All four of broken ...
2
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1answer
964 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
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1answer
4k views

Problem With Sprinkler Backflow Device

I recently moved into a new house. I was trying to test out the sprinkler system. I turned on the sprinkler valve in the utility room. I also turned on the valve on the backflow device (I think - ...
2
votes
1answer
4k 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 ...
2
votes
2answers
3k views

running sprinkler wire over ground

I have a question about sprinkler wiring. The sprinkler timer is located on the front wall of my house (this was done by the previous owner) and I should run a wire from there to a sprinkler valve ...
0
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2answers
617 views

Repair sprinkler pipe

What is the best way to repair a pvc T joint that connects two 1 inch pipes and has a threaded half inch T extension, which has been stripped? I can't attach the sprinkler head to it without it ...
3
votes
3answers
7k views

Do i need a backflow preventer for drip irrigation system

A gardener just installed a drip irrigation system in my backyard. He didn't installed the back-flow preventer. When I asked him why, he told me for drip irrigation you don't need the back-flow ...
2
votes
3answers
10k views

What is the easiest way to cut a 2 inch groove in concrete?

I have a 5 foot wide concrete side-walk running next to my house. I want to cut a 2 inch groove from the wall to the yard in order to run a PVC irrigation pipe from the faucet on the wall to the trees....
1
vote
1answer
2k views

Extending Length of Air Conditioning Drain Pipe

I live in a multi apartment building. All the neighbors has AC. Many AC's has condensation drainage pipes which descent into the common garden and are cut at about two meters above ground. Others are ...
1
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2answers
3k views

How do I run PEX to exterior plumbing?

I am replacing some failed galvanized water pipe indoors. Two of the existing galvanized pipes poke straight through the exterior wall of the house, right above the foundation, and have hose bibs ...