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6
votes
3answers
7k views

Which should be first, pressure reducer or backflow preventer?

Question pretty much says it all. I'm installing a sprinkler system in the yard, and discovered the pressure is too high (valves were leaking when on, and kick when turned on/off). I can see ...
6
votes
2answers
16k views

How can I get low water pressure in sprinkler system fixed?

I have a new house that is still under warranty. Compared to at least two of my neighbors whose houses were built by the same builder and have very similar sprinkler systems, my sprinklers put out ...
6
votes
2answers
3k views

How can I tell where my inground sprinkler hoses are?

I'm going to be building a deck next week in my backyard! I'm very excited for the project, but I'm concerned about one thing: digging the foundation holes. I have an inground sprinkler system, and ...
6
votes
1answer
254 views

How Can I fix a broken hose?

My wife and I recently bought a house, and we discovered there were buried hoses near all of our hose nozzles. We turned them on and to our surprise they were tied to sprinkler heads throughout the ...
6
votes
1answer
2k views

How do I “un-winterize” my sprinkler system?

I just moved into a house in which the sprinkler system has been winterized. I want to get it going again, but I'm not sure what to do about these four valves here. The previous owner told me that ...
5
votes
3answers
22k views

How do I connect an air compressor to blow out my sprinkler lines?

I want to blow out my sprinkler lines before the freezing weather gets here (I am in NJ). I have an air compressor that I can borrow but how do I attach the air compressor line to the sprinkler ...
4
votes
1answer
4k views

Can you use an Orbit Sprinkler Timer with Rainbird Valve

My house has Rainbird valves and I am thinking about buying an Orbit Timer/Controller. Can you use a Rainbird valve with the Orbit Controller.
4
votes
1answer
1k views

How do I extract a snapped off PVC nipple?

I have a 3/4" PVC sprinkler system, and one of the nipples has snapped off inside the 1/2" threaded fitting. I have a nipple extractor which has worked very well in the past but I guess this time I ...
4
votes
1answer
1k views

How do I turn off this sprinkler valve?

We just purchased our home this summer, so I've never gone through the process of turning off the sprinklers for the winter (we're in Utah, so hard freezes are possible). The stop-and-waste valve is ...
4
votes
1answer
396 views

Lawn sprinkler stays on

My lawn sprinkler system has 4 zones and I noticed that one zone is staying on all the time. Even if I set the timer controller to off position, that valve stays on. If I unplug the controller, the ...
4
votes
1answer
245 views

Charging Irrigation System, Can I Do This Myself?

Every spring some company comes out and "charges" our sprinkler system. Can someone explain what this is and whether or not this is something I can do? It basically seems like they come out, turn on ...
3
votes
1answer
10k views

How do I cap off / remove a single sprinkler head?

I have a corner in my yard that is getting too much water from the sprinkler system. The grass is drowning and moss is growing because it's constantly wet. The adjacent zone seems to throw enough ...
3
votes
3answers
4k views

What am I missing when blowing out water from my sprinkler system?

I am trying to blow out my sprinkler lines and I put together an adapter to connect the air compressor to the faucet pictured below. The air compressor was charged to 140PSI, and then I turned on a ...
3
votes
2answers
452 views

How do I seal a crack in flex pipe for a lawn sprinkler system?

I have an underground rubber hose with an one inch crack in it. I am hoping I could just seal it, but I don't know what to use and I don't want to make it worse. Is it worth trying to seal it or are ...
3
votes
1answer
6k views

Leaking sprinkler system area top of valve?

I noticed a small leak of water when I turned on the sprinkler system this year. The leak seems to be coming from the top of the pressure vacuum breaker. Note this is not the exact picture of what I ...
3
votes
1answer
41 views

Missing cap on ceiling sprinkler

I found this sprinkler head in the ceiling of my new place with a cover cap missing - later I found the cap in a drawer. How would I go about replacing this? Is there a way to attach the original ...
3
votes
2answers
6k 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 ...
3
votes
2answers
657 views

How do I increase the volume of air going into my lawn sprinkler zones to blow out water for the winter?

I have a 13 Gallon tank in my compressor. I can get the pressure up to over 100 PSI, but when I allow air to flow into individual sprinkler zones, the pressure at my manifold reads only about 10-15 ...
3
votes
1answer
1k views

What is causing the last two heads in a sprinkler/irrigation system to have no water pressure?

Zone 2 of my irrigation system has 6 pop-up sprinkler heads but the last two do not pop up, nor is there any water coming from them at all. They are completely dry, even in the flex lines they are ...
3
votes
0answers
93 views

How do I winterize this sprinkler system

I am trying winterize my landscaping sprinklers. I just moved into my new house and find out this plumbing layout is quite different, I hooked up my 100psi air compressor and tried to blow them out ...
3
votes
3answers
4k views

Why would a sprinkler Air Valve leak after winterization?

I had someone come over my house and winterize the sprinklers. He explained to me what he did: He said he closed the main valve to the sprinkler system, hooked up a compressor and blew out all the ...
2
votes
1answer
339 views

Is it OK to leave an in-ground sprinkler “winterized” all summer?

My parents have an in-ground sprinkler system. It was winterized last fall. My father passed away and my mother is thinking of just not using it this year. We're wondering if leaving it "winterized" ...
2
votes
1answer
1k views

How can I get my stuck sprinkler heads to go down after watering?

I have an automatic water sprinkling system in my lawn. After it runs, some of the heads are still stuck in the up position. I will attach some photos. What can I do to ensure these heads go down ...
2
votes
2answers
2k views

Why is no water coming out of my sprinklers despite the diaphragm valve working?

My sprinkler system has 4 zones. I have been turning them on at the diaphragm valve (looks like this: 1 zone has never worked. When you turn the valve switch on, you can hear the sounds of running ...
2
votes
1answer
5k views

How do I fix a sprinkler valve that leaks instead of popping up the sprinkler heads?

When this particular valve (Champion Classic 3/4" As Max PSI 150 466 Max Temp 110o) turns on, a lot of water starts coming out of the the bottom part of the valve which I've highlighted in the image. ...
2
votes
1answer
672 views

How do I fix a broken nipple under my sprinkler head?

I removed a broken sprinkler from my front yard. Apparently, whoever installed (previous owner) it did not thread it properly; the threaded nipple snapped off. What do I need to do? How do I replace ...
2
votes
2answers
53 views

What fails in a centrifugal pump when it runs dry?

A 3/4 HP 10 GPM shallow well pump for irrigation ran dry for a couple hours due to a technical failure where a feeding valve mounted at the pump inlet blew out of its hole. All the water being pumped ...
2
votes
1answer
80 views

Even when I turn off the manual valve to back yard sprinkler system few sprikler heads are showing small valter flow?

Even when I turn off the manual valve to back yard sprinkler system few sprinkler heads are showing small water flow. Why is this?
2
votes
2answers
126 views

Can I route an irrigation main through my basement?

I received estimates on getting an irrigation system installed in my back yard. The majority of the cost is for digging down to the house's line in the front of the house (4 feet deep), splitting the ...
2
votes
1answer
149 views

Automatic sprinkler valve will not shut off

I have a 3/4 inch inline automatic sprinkler valve that will not shut off, whether it is turned on electrically or by unscrewing the solenoid. It drives a drip line with about 15 heads, so the flow ...
1
vote
3answers
17k views

What is the typical water pressure for a sprinkler system in a home? [closed]

What is the typical water pressure for a sprinkler system in a home?
1
vote
1answer
167 views

Draining irrigation system for the winter

What's the best way to drain an outdoor irrigation system, which includes sprinklers and drip irrigation? I've drained them as well as I could by opening a faucet in the basement (a few feet below ...
1
vote
1answer
146 views

Design and Build Sprinkler Head

How would you go about fabricating a sprinkler head for a general use sprinkler system? I'm talking about the sort in your front yard. The basics of what I'm looking for: Design which can be ...
1
vote
2answers
1k views

I have a broken Rainbird APAS-100 valve, how can I fix it?

I have a Rainbird APAS-100 which has stopped consistently opening when powered. I've isolated the problem to something in the "AVA-1 Actuator & Piston Assembly" - Rainbird part 145235. However, ...
1
vote
1answer
85 views

What advanced features are available for sprinkler systems?

I'm making a sprinkler system for my house before summer gets here. So far I'm thinking of an embedded microcontroller with light and temp sensors, so when the sun goes down and it starts to cool your ...
1
vote
4answers
4k views

dripping sound inside wall

I'll try to get everything in here, yet be concise. This is a 3-story building, plus basement/underground parking. I'm on the 2nd floor, studio. Same layout above and below. Exterior wall to ...
1
vote
1answer
57 views

Can I winterize sprinklers by running them with the water off?

I am a new home owner and need to winterize (get the water out of the pipes of) my sprinkler system. I was planning on contacting a professional to help/show me how to do it. However, I was told by ...
1
vote
1answer
72 views

How do I replace a leaky secondary water valve?

Outside I have a leaky secondary water valve that seems to overfill whenever my secondary water is turned off. I don't have the slightest clue of how to replace this and would rather learn how to do ...
1
vote
1answer
742 views

What could be causing water pressure drop with sprinklers?

My first issue is that when the sprinklers come on, there is a significant drop in water pressure in the sink, shower, etc. I checked the sprinkler lines and there are no obvious leaks (i.e. holes in ...
1
vote
1answer
576 views

Can I repair this crack in my sprinkler backflow preventer?

I have a crack in one part of my sprinkler backflow preventer/vacuum breaker. It looks a lot like this: Can I re-seal this crack? Or do I have to buy a whole new assembly?
1
vote
4answers
15k views

How do I increase the pressure in my sprinkler system that runs off a well?

I'm trying to build a sprinkler system for my large yard. I've set up 2 zones each one with 8 heads being supplied by a 2HP well pump. I'm using 1" pipe everywhere. The first zone works fine and ...
1
vote
1answer
68 views

Rain Bird ESP-6 Sprinkler controller buttons no longer functioning—do I need a new controller?

I am trying to manually cycle through my sprinkler zones with my Rain Bird ESP-6 controller (from 1996), but the membrane button to manually cycle the zones does not work. In fact, none of the 4 ...
1
vote
1answer
69 views

Can I glue poly supply line to a connector?

I just bought a new house. The PVC connection to the foundation watering drip line snapped off because of ground movement. I bought several 1/2" parts (black) and connected the PVC back up to the ...
1
vote
2answers
360 views

How can I avoid excessive junk on inside junction, when cementing PVC sprinkler pipe?

I'm cementing some schedule 40 PVC pipe using the best instructions I could find ( http://www.tchristy.net/pdf/ChristysTechManual_v5_English.pdf ). The outside of each joint looks fine, but inside ...
1
vote
1answer
320 views

How do I fix leaking sprinkler line from this valve?

After restoring water to my sprinkler system line, I noticed it is leaking between two pieces of the valve. Is this something that can be fixed easily or do I need to have a plumber come out and cut ...
1
vote
1answer
236 views

How risky is it to cap an old (metal system) sprinkler head?

We have an all metal sprinkler system. I need to have one head capped. What is the chance of the pipe breaking? Is it better to leave it alone? The sprinkler head in question is going to be right in ...
1
vote
1answer
580 views

How to operate automatic sprinkler system anti-siphon valve

I have an anti-siphon shut-off valve that is leaking. I'd like to replace it and noticed there are 'automatic' valve with solenoids installed. This made me wonder if I should be leaving my valve ...
1
vote
2answers
3k views

How to turn on my irrigation system

I moved into a house that was a foreclosure but has an irrigation system. There was no one around to show me how to set everything up. I know where the control box is and have read the instructions ...
1
vote
1answer
29 views

How can I complete these repairs to my sprinkler system?

I have two (hopefully small) repairs that I need to do for my system. Luckily most of it is in a control box, so it is easy to get at. Here's the setup: At the top was a valve that was broken, and ...
1
vote
2answers
144 views

How To Fix Severed Sprinkler Solenoid Wire?

I re-opened my sprinkler system this season to discover that one of the zones would not go off on it's own. After visually inspecting the valves, I see that the issue is that one of the two wires ...