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Learn How to Replace a Yard Sprinkler Valve

Steps to Replace a Sprinkler Valve in the Yard

Replacing a sprinkler valve is an essential task for maintaining an effective irrigation system. Here’s a step-by-step guide to help you replace a sprinkler valve:

Tools and Materials Needed for Head Replacement:

Step-by-Step Guide to Sprinkler Valve Replacement:

  1. Turn Off the Water Supply
    • Ensure the water supply to the irrigation system is completely turned off. This might be at a local valve or the main water supply.
  2. Expose the Valve
    • Use a shovel to carefully dig around the valve box to avoid damaging any pipes. Remove enough soil so you have clear access to the valve.
  3. Remove the Old Valve
    • Take a picture of the existing setup for reference.
    • Disconnect the wiring from the solenoid if it’s an automatic valve. Note which wire connects where.
    • Use the pipe cutter or saw to cut the pipe on both sides of the valve, leaving enough room to install the new valve. If the valve is threaded, you may need to use slip joint pliers or a pipe wrench to unscrew the valve from the pipe.
  4. Prepare the New Valve
    • Clean and dry the ends of the pipes where the new valve will connect.
    • If you’re using a PVC valve, apply PVC primer and then PVC glue to both the pipe and the fittings of the new valve. For threaded connections, wrap the threads with Teflon tape to ensure a watertight seal.
  5. Install the New Valve
    • Attach the new valve to the piping. For PVC connections, insert the valve into the pipe and hold firmly for a few seconds to ensure a strong bond. For threaded connections, screw the valve into place and tighten with wrenches.
    • Reconnect the electrical wires to the solenoid, ensuring they match the original setup.
  6. Check for Leaks
    • Turn on the water supply to the system and observe the new valve for any leaks. Activate the valve manually or via the controller to ensure it is operating correctly.
  7. Backfill the Valve Box
    • Once you are satisfied that there are no leaks and the valve is functioning correctly, backfill the hole with soil and replace any sod that was removed.
  8. Test the System
    • Run your irrigation system as normal to check for proper operation of the new valve. Ensure that all zones are receiving adequate water and adjust as necessary.

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