Quick Answer: How To Turn Off The Water Supply To A Broken Sprinkler System?

Where is sprinkler shut off valve?

Locate the main shutoff valve on your irrigation system. It is between the main water supply to your home and the sprinkler controller. Alternately, the main shutoff is located outdoors near a faucet bib. The main valve may be in a box in this area to protect it from the elements.

Can you run sprinklers with water off?

Turn off the water shut-off valve to your sprinkler line, usually located in your basement. You can drain your system without an outlet drain valve by blowing air through a petcock, which are the usually two little drain valves located on the side of your backflow device.

What is the maximum number of sprinkler heads per zone?

At different pressures, the sprinkler head and nozzle will consume different amounts of water. For example, at 35 pounds per square inch (PSI) the 5000 Series Rotor using the 3.0 nozzle will use 3.11 gallons per minute (GPM). If your home’s water capacity was 10 GPM, you could place 3 heads per zone.

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What causes a sprinkler valve to stay open?

Air Trapped in the Valve: The valves may have air trapped in them. A small bubble of air becomes trapped in the tiny water ports of the valve, this stops the water from flowing through the port. Since the water flowing through the port is what holds the valve diaphragm closed, the valve stays open.

How do you keep grass from growing over sprinklers?

Tuck the outside of the circle of plastic mulch 3 inches deep in the trench with a plastic putty knife. The plastic mulch now covers the ground 2 inches out from the sprinkler head, preventing grass and weeds from growing underneath it.

What causes a sprinkler not to turn off?

Debris in Valve One of the most common reasons that a sprinkler zone won’t shut off has to do with debris stuck in the valve. This is especially the case if your sprinkler heads are located underground. The soil, rocks, and loose debris that surrounds the system could potential tamper with the solenoid.

Why does my irrigation system continue running after the controller is turned to off or unplugged?

There are two reasons why your sprinklers would continue running: It is possible that your valves have been opened manually. You will need to locate your valve box(es) and twist the solenoid(s) on the valves clockwise until snug. It is possible that you have debris in the valve, which is causing them to remain open.

Why do my sprinklers turn on twice?

A common reason for a controller to repeat a cycle is too many programmed start times. Only one start time per active program is required, a second start time will cycle the program an additional time. Individual stations are assigned to a program (A,B,C).

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How do I know if my sprinklers are self draining?

Depending on the type of drain valve your system utilizes, draining could be truly automatic, or it could be manual, requiring that you pull a few levers to get things moving. One way to tell if your system is manual-draining is if your sprinkler heads have check valves on them.

When should I turn off my sprinklers?

You should shut off your irrigation system just before temperatures in your region begin to dip below freezing at night. Don’t shut off your irrigation system too early. Often homeowners shut their systems down as soon as the fall season arrives because they believe that their lawn requires less water.

Do you need a backflow preventer on sprinkler system?

The key to preventing backflow is to have a properly installed, maintained, and inspected backflow prevention device as part of your culinary water system. The answer is: you need backflow prevention if you have a culinary water connection that may be used to supply a sprinkler system.

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