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Sprinkler Head Won't Shut Off – Valve Repair Guide

One head runs continuously. Three common valve failures:

Solenoid (easy replace).
Diaphragm (easy replace).
Valve body cracked (replace whole valve).

Resource

www.irrigationtutorials.com shows rebuild/replace steps.

Irrigation: Sprinkler Station Won’t Shut Off – How to Turn Off Water Supply; Sprinklers Won't Shut Off? Valve Stuck Open — Not Controller; Fixing a Sprinkler Valve That Won't Shut Off: Diaphragm Replacement; Spring Restart: Sprinkler System Won't Pressurize After Drain; Zone Won't Shut Off: Stuck Valve Diagnosis & Repair; Sprinkler System Won't Shut Off: Valve or Controller Fault?; Starting a Lawn Genie System: Find the Main Valve and Backflow; Automatic Valve Won't Turn On: Zone 1 of 6 Dead; Rain Bird 3500 Rotor Stops Turning After Third Cycle; Sprinkler Valve Won't Shut Off: Flow Control Adjustment

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