Questions tagged [irrigation]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
0 answers
37 views

Backflow prevention fixture on my sprinkler system has started leaking -- is teflon tape the appropriate fix?

The backflow valve on my irrigation system has developed a minor leak at the threads I am pointing to. It's outside and not super fast, so not super urgent, but I would like to get it fixed eventually....
user avatar
  • 1,047
0 votes
0 answers
22 views

Low sprinkler pressure - sudden onset

I have five sprinkler zones. Zones two through five are working well. Zone one pressure is so low that the heads don't even pop up. They trickle and flood the immediate area (a few square feet) but ...
user avatar
  • 189
0 votes
1 answer
99 views

Preventing the pump from sucking air when the tank is empty

I have a pump connected to a water tank. The city water fills the tank through a (mechanical) float valve (to prevent overfill). And the pump's inlet is connected to both the tank's outlet, and also ...
user avatar
0 votes
2 answers
73 views

How to prevent plant irrigation drainage from dripping into my downstairs neighbor's window?

We live in the second floor in this building: When we water our plants, the water drips into the window of our neighbor in the first floor, and she does not like it at all. We want to keep watering ...
user avatar
1 vote
4 answers
155 views

How do I find a leak in a buried pipe?

There is a large amount of pipe of mixed materials buried on my two-hectare hobby farm by the previous owner. I do not know exactly how much or of what kind. Recently, a large leak appeared as ...
user avatar
0 votes
1 answer
45 views

Adjusting pop-up sprinker range with the top screw

The previous owner of my home primarily used Rain Bird and Toro brand sprinklers (both pop-up and shrub types, all non-rotary) for irrigation, along with a few Orbit shrub risers in the front yard. ...
user avatar
  • 1,327
2 votes
0 answers
73 views

Swimming pool as water barrel for irrigation

I have a 60 year old concrete swimming pool still in good condition but not used as a pool for 20 years. It is now a nature pool good for fireflies, bats, toads, ducks, etc. The original chain link ...
user avatar
  • 21
0 votes
1 answer
53 views

Can non-"Lead Free" fixtures be downstream of potable water?

I have an "outdoor" water line that splits from the main line. This line feeds an outdoor sink that is technically drinking water but not used very often. It also feeds an outdoor shower. ...
user avatar
  • 249
2 votes
1 answer
133 views

Sanity check on DIY drainage repair

Background: I have zero plumbing experience, hence the sanity check. Everything I describe here is brand new to me. My house is in a hilly area in Silicon Valley. All of the houses in this ...
user avatar
  • 191
1 vote
2 answers
37 views

Identify coupling for irrigation winterization

I want to winterize my irrigation system myself, but I don't recognize the coupling I need to buy to attach to an air-compressor. This valve is between the cutoff valve and the back flow valve, and ...
user avatar
  • 298
2 votes
1 answer
119 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 ...
user avatar
  • 249
2 votes
1 answer
37 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 ...
user avatar
  • 16.8k
1 vote
2 answers
55 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 ...
user avatar
  • 9
0 votes
1 answer
91 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 ...
user avatar
0 votes
4 answers
70 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 ...
user avatar
  • 139
1 vote
1 answer
94 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) ...
user avatar
  • 415
0 votes
1 answer
182 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 ...
user avatar
  • 181
2 votes
1 answer
57 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 ...
user avatar
0 votes
0 answers
34 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. ...
user avatar
  • 190
0 votes
2 answers
110 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 ...
user avatar
0 votes
3 answers
70 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 ...
user avatar
0 votes
1 answer
40 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 ...
user avatar
-1 votes
2 answers
113 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 ...
user avatar
  • 1
0 votes
1 answer
75 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 ...
user avatar
  • 1
1 vote
1 answer
36 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 ...
user avatar
  • 190
0 votes
0 answers
25 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 ...
user avatar
  • 1
0 votes
1 answer
110 views

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

I cant find much information around this online, it appears that its possible.
user avatar
-1 votes
1 answer
39 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 ...
user avatar
0 votes
0 answers
25 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 ...
user avatar
0 votes
1 answer
62 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 ...
user avatar
  • 101
-1 votes
1 answer
53 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 ...
user avatar
  • 77
0 votes
3 answers
503 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 ...
user avatar
  • 1,074
-1 votes
4 answers
135 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. ...
user avatar
  • 77
1 vote
2 answers
247 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 ...
user avatar
0 votes
2 answers
50 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 ...
user avatar
  • 353
-1 votes
1 answer
144 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 ...
user avatar
2 votes
0 answers
68 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 ...
user avatar
0 votes
0 answers
38 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 ...
user avatar
0 votes
0 answers
97 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 (...
user avatar
  • 101
0 votes
2 answers
1k views

Need advice making a self-watering moss pole for plant [closed]

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 ...
user avatar
  • 1
0 votes
2 answers
43 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 ...
user avatar
1 vote
2 answers
137 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 ...
user avatar
-1 votes
1 answer
67 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 ...
user avatar
0 votes
3 answers
70 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 ...
user avatar
  • 147
2 votes
1 answer
748 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 ...
user avatar
-1 votes
2 answers
132 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 ...
user avatar
3 votes
3 answers
2k 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. ...
user avatar
2 votes
1 answer
96 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 ...
user avatar
  • 484
0 votes
3 answers
2k 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 ...
user avatar
0 votes
1 answer
32 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 ...
user avatar
  • 103