23 votes
Accepted

What to do with sprinkler pipe under spiral staircase foundation?

Dig the hole bigger. Buy four elbows, some pipe clamps and some extra pipe. Turn off the water for that pipe. Cut the pipe and with the elbows have it go around the box. Make your footing and no ...
crip659's user avatar
  • 24.3k
13 votes
Accepted

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

That is a strainer wye. There is a metal mesh filter in there to trap sediment/debris; it can be removed and cleaned as necessary.
Jimmy Fix-it's user avatar
  • 35.8k
11 votes

Is it possible to stop weeping between threaded copper joint on sprinkler system?

Those are both bronze (a copper alloy, not copper), and you'll have to disassemble enough to be able to tighten that. Or remove it, apply dope or tape, and tighten it. Should not be "everything&...
Ecnerwal's user avatar
  • 214k
10 votes

What to do with sprinkler pipe under spiral staircase foundation?

A pipe rupture beneath the foundation could cause soil subsidence that will destroy your staircase. For that reason I would now route the pipe far from the staircase. Cut it inside the hole you dug, ...
jay613's user avatar
  • 37.6k
8 votes
Accepted

Can I connect two soaker hoses with a normal garden hose in between?

I have something like this and it works just fine. (I have only one soaker hose in each bed, and both soakers are the same size.) The flow rate involved is very slow, so the hose and connector sizes ...
A. I. Breveleri's user avatar
8 votes
Accepted

Are these sprinkler control valves?

They are vacuum breaker valves. Also called backflow preventer valves. They prevent the water in the irrigation lines from being sucked into the city supply lines when city water pressure drops by ...
jsotola's user avatar
  • 2,775
7 votes

removing tree roots without stump grinder

Use a pickaxe to dig a hole around the tree root, and use an axe or a saw to cut the root. Repeat as necessary. This works reasonably well for one tree, not so well for a forest.
gbronner's user avatar
  • 5,593
6 votes

Brass fitting seized on a nickel-coated pipe

Both times I have encountered hose faucets with devices seemingly fused onto the hose threads were when somebody (not me) assembled them without a hose washer. Whether or not this is the case in your ...
Jimmy Fix-it's user avatar
  • 35.8k
5 votes

How to get threaded connector out of sprinkler line

Okay, so it turns out that "black connector piece" that I was referring to is called a riser and should be threaded. Seems like they break fairly often so they make a tool called a riser ...
d512's user avatar
  • 620
5 votes

How do I locate sprinkler heads on a winterized system so contractor doesn't damage them?

Yeah, using ordinary tap water as a Sprinkler Operating Fluid really causes problems sometimes. As an alternative try Atmospheric Blend, colloquially referred to as "compressed air." It'll ...
Greg Hill's user avatar
  • 30.6k
5 votes

Can anyone give a valid argument against running sprinkler wire in 1/2" pvc water line?

There are no code requirements that I know of regarding burying low voltage (IE sprinkler and LV outdoor lighting). PVC conduit is ridiculously expensive right now. Because there are no code ...
George Anderson's user avatar
5 votes

Hard-Wiring Sprinkler Controller(s) Into Junction Box

Basic concept is good. I am a big fan of hardwired equipment when practical and code-compliant. Two issues: cut the plug off of the power cord and run the cord into While it is tempting to do so, ...
manassehkatz-Moving 2 Codidact's user avatar
4 votes

Can I cool my south facing wall by spraying it with water?

Evaporative cooling is less effective in places with high humidity. There are mathematic formulas for how much water will be needed to cool a specified surface area by some number of degrees and they ...
David D's user avatar
  • 606
4 votes
Accepted

Is it a problem to leave a sprinkler line through concrete shed footing?

People put flexible pipes inside concrete all the time (this is how heated floors are made) you should space it away from the floor and trench mesh so that it does not become a conduit for moisture (...
Jasen's user avatar
  • 20.8k
4 votes

New Sprinkler Installation - Rototill/Level Before or After? Any other "Pre-Sprinkler" Preparation?

Definitely rotortill before you put in the pipes. Otherwise you run the risk of damaging pipes and sprinklers.
longneck's user avatar
  • 21.2k
4 votes

New Sprinkler Installation - Rototill/Level Before or After? Any other "Pre-Sprinkler" Preparation?

When I install a sprinkler system, I Rototill first, then trench and install the piping, etc. then backfill trenches, compact the trenches, then flatten/roll the yard in prep for hydro-seeding or sod. ...
George Anderson's user avatar
4 votes

Can I connect two soaker hoses with a normal garden hose in between?

You haven't specified how long of a run each section is so if you need very fine control of water flow then install a Y-splitter with ball valves at the spigot and run a dedicated hose to each garden ...
MonkeyZeus's user avatar
  • 16.6k
4 votes

Well pump reads 125v on each terminal but wont come on

You got twisted around and managed to put both pump "hot" wires on the same pole of the supply. Or, one of them was abruptly disconnected. Normally, this happens when someone rearranges the ...
Harper - Reinstate Monica's user avatar
4 votes

Why don't my sprinkler heads pop up when all zones are turned on?

After confirming I had enough water, which cleared the pump and the water supply, started opening valves. There was a scum on top of the diaphragms. Cleaned them thoroughly and check the diaphragm for ...
asp316's user avatar
  • 307
4 votes

All Sprinkler Heads Leaking

I initially had all 3 sprinkler heads set to 8.0 nozzles which was too much for my flowx rate of 7 gal / min to handle. I started with 1.0 nozzles on all 3 locations, then sized one up at a time. The ...
Eric F's user avatar
  • 732
3 votes
Accepted

Is it normal for a sprinkler system to increase water pressure to a house?

It can, if you live in a hot sunny climate and there is no one-way valve to the sprinkler system. Cold water in, or on their way to the sprinkler valves will be heated by the ground or sun, and expand ...
Trevor_G's user avatar
  • 1,352
3 votes

How do I easily separate unglued PVC pipe from joints?

If you still can't get those unglued pvc pieces apart, we found that a flathead screwdriver and a rubber mallet help loosen the pieces enough to be able to pull them apart.
Tricia's user avatar
  • 31
3 votes

Conduit for future sprinker system before sidewalk pour

The correct answer depends on a number of variables related to the size of the space and your future landscaping plans. If time permits, you should sketch out a landscaping plan and consult with an ...
Jimmy Fix-it's user avatar
  • 35.8k
3 votes
Accepted

Do these pipes need to be winterized? How?

Yes, you need to winterize them. That looks like a backflow-prevention device, which prevents water from the lawn from flowing back into the city pipes (in the event of a loss of pressure). Typically, ...
mmathis's user avatar
  • 8,863
3 votes

Use rainwater to partly supply a sprinkler irrigation system?

Simplest 100% legal way would be to make it use rain water directly from storage containers, and then a float valve that fills the rain barrel with city water if the water level gets below a certain ...
Dotes's user avatar
  • 4,809
3 votes
Accepted

Is there any reason to seal/waterproof underground spliced sprinkler cable?

Yes, because a poor connection due to subsequent corrosion can affect the signal which may well cause unreliable operation. There are waterproof junction boxes available which you should use.
Solar Mike's user avatar
  • 27.4k
3 votes

Well pump only works with on/off switch not control box

The clicking is the relay being pulled in. This is a common failure in relays after thousands of cycles the contacts burn and do not make good contacts, I have special burnishing tools to clean the ...
Ed Beal's user avatar
  • 103k
3 votes

Can I connect two soaker hoses with a normal garden hose in between?

soaker hoses suffer from pressure drop, and running a long garden hose between two sections is going to make that worse. You might consider running a 3/8 plastic pipe/non-drip feeder to the left side ...
gbronner's user avatar
  • 5,593
3 votes
Accepted

What is this metal piece coming out of my sprinkler system piping?

That's an anti-siphon (or vacuum breaker) valve: Source It prevents dirty yard water from being sucked back into the potable water system if the water pressure fails.
Daniel Griscom's user avatar

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