What are the valves on a sprinkler system?

Valves are an essential part of any sprinkler system. They are the link between the “brains” of the system (the controller) and the sprinkler heads, to turn the water on and off. Most automatic sprinkler systems are set up with two types of valves.

How much are valves for sprinkler system?

The cost to replace a sprinkler valve runs about $12.50 to $40 each for most models, plus labor expenses. The valve controls the release of water to the various zones in the yard.

Should sprinkler valves be open or closed?

Make sure the sprinkler valve is closed, unless it’s the valve farthest from the main water source. You’ll want to leave this valve open and remove the sprinkler nozzle to allow air to escape when you turn on the water.

What are the three types of main sprinkler valves?

There are three basic types of valves used in irrigation systems – gate valves, ball valves, and electric valves.

Where is the main sprinkler system valve usually installed?

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.

What happens if you install a sprinkler valve backwards?

“Every contractor has, at one time in his life, installed at least one valve backwards,” said Carowitz, “The valve generally won’t open, and if enough pressure is applied, it may do damage to the internal parts.”

How long do sprinkler valves last?

10 to 15 years
Valves will give you 10 to 15 years of service, while controllers 5 to 10 years.

Do sprinkler valves go bad?

Sprinkler valves can fail over time. They can also malfunction due to poor maintenance or manufacturer’s defects. Familiarity with the components that make up a sprinkler valve allows you to maintain them better and troubleshoot problems when they arise.

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 long should a sprinkler valve last?

Valves will give you 10 to 15 years of service, while controllers 5 to 10 years.

Are brass sprinkler valves worth it?

Higher Chemical Resistance — Brass is more resistant to chemicals typically found in irrigation water and therefore less susceptible to failure due to cracking. Longer Life — Brass valves can be used above and below grade whereas plastic degrades over time in extreme environments and in direct sunlight.

What is the best sprinkler valve?

Here is the list of 5 Best Sprinkler Valves. 1. Underhill VL-6 VersaLid 6-Inch to 7-Inch Universal Sprinkler Valve Box Lid 2. Hunter Sprinkler PGV151 PGV Series 1-1/2-Inch Globe or Angle Valve with 3. Rain Bird CP075 In-Line Automatic Sprinkler Valve 4. Hunter Sprinkler ICV151G ICV Series Globe Valve 5.

How do you know if a sprinkler valve is bad?

Common symptoms of a faulty valve include leaks around the valve or at the sprinkler head farthest from the valve (indicating the water doesn’t completely shut off), inadequate water delivered to the sprinkler heads, or the sprinkler heads simply not coming on.

How do you manually turn on a sprinkler valve?

Turn the pliers or wrench counterclockwise to open the valve. If you have a cross-shaped valve handle, stick the prongs of a sprinkler valve key around the cross and turn the key counterclockwise to activate the valve. For round knobs, grip the knob with your hand or a clean rag and turn counterclockwise to activate.

How many sprinklers per valve?

Don’t attach the sprinklers yet! Keep going down the pipe attaching one inch slip by 1/2 inch threaded T’s and risers until you reach the manifold box. If, because of your PSI, you can only have 10 sprinklers on one valve and you need a total of 40 sprinklers, you will have 4 valves in your manifold box.