Do you need a drain valve on sprinkler system?

Do you need a drain valve on sprinkler system?

All sprinkler systems should include an automatic drain valve in order to avoid damage to the pipes and other system components. Without one, water will be trapped in the pipes, which will beak when the water freezes. Having an automatic drain valve will also keep water from sitting in the pipes.

What is an irrigation drain valve?

OVERVIEW. Plastic automatic drain valves prevent damage to irrigation system due to freezing by automatically draining the sprinkler lines when the water is turned off. Automatic drain valves are installed at the lowest point of each sprinkler zone.

Where is the drain valve on a sprinkler system?

The inspectors test drain, or test and drain valve, is traditionally located at the end of the sprinkler system. This drain helps facilitate flow testing and is typically used in multi-story buildings.

What is the purpose of the drain check valve in a sprinkler?

These check valves prevent the water from draining out of the pipes through the lowest sprinklers. In most cases these check valves are built into the sprinkler head. The anti-drain check valve is an optional feature available when you purchase the sprinkler.

How do you drain a sprinkler valve box?

  1. Step 1: Turn off the irrigation water supply valve.
  2. Step 2: Open drain on outside of house.
  3. Step 3: Open test cocks and ball valves.
  4. Step 4: Open drain in manifold box.
  5. Step 5: Open drain inside the house.
  6. Step 6: Turn your irrigation control timer to the off position.
  7. Turning the system back on.
  8. Blowout the entire system.

How does a drain valve work?

As water builds up in the tank, it flows into this housing. The rising water level causes a float inside the housing to rise. Upon reaching a pre-set level, the float triggers the drain to open, and the water drains out. Some compressed air is lost with this type of valve.

What is backflow valve in sprinkler system?

A backflow preventer is a device that is connected to your home’s pipes in order to stop water from flowing back into the main water supply. This prevents the water supply from being contaminated in the event of a plumbing failure somewhere in your home.

How to quick drain your sprinkler system?

How To Quick Drain Your Sprinkler System. With cold weather right around the corner here in Colorado Springs it is important to take the time to quick drain your irrigation system anytime the temperature will drop below 32 degrees. Watch our how to video below. YouTube. Fisk Lawnscapes.

How to troubleshoot your lawn irrigation system?

Check the Backflow Device. To determine if the backflow device is malfunctioning,first make sure the water valves at the backflow device are turned fully on.

  • Look for Water Pipe Leaks. A more serious cause is when there is a water pipe leak somewhere along one of the underground irrigation lines.
  • Find Issues in the Irrigation Line.
  • How to drain sprinkler system for the winter?

    Automatic Irrigation Systems. Shut off the mainline valve by closing it.

  • Manual Irrigation Systems. Draining the irrigation lines for a manual irrigation system is like an automatic system,however you will need to manually adjust the zone valves.
  • Draining Manual Irrigation without Air Compressor.
  • How do you drain a sprinkler system?

    Turn off your water at the dedicated Sprinkler Line Shutoff (A) in your basement/crawlspace.

  • Open the 2 Petcock’s (F) with a flat head screwdriver so that the screw head runs a 45 degree angle
  • Open the Inside Drain (B) to drain your system.
  • Open 2 Ball Valves (C&D) on backflow preventer (outside) to a 45 degree angle.