Water Running Sound at One Valve When System Off – Valve Not Sealing

Water noise at one valve near main supply, but no visible leak or zone flow.

Valve likely not closing fully. Rebuild or replace that valve (see irrigationtutorials.com).

Irrigation: Why a Sprinkler Head Leaks When the System Is Off: Diaphragm Wear; Water Hammer Zones 2 & 3: Reduce Heads or Move Backflow to Main; Hardie 1.5" Valve Slow Leak – Diaphragm or Cracked Body; All Irritrol Zones Stuck On: Valve Bleed Screw, Solenoid, or Diaphragm; Sprinkler System Manual Start: Solenoid Buzz, No Pressure, One Head Seeps; Sudden Low Pressure on All Zones: Front and Back Yard; Finding a Mainline Leak When the Meter Spins But No Zones Run; One Zone Lost Pressure: Hardie Valve Diaphragm Likely Culprit; Rain Bird 5000 Rotor Replacement: Hole Fills With Water Then Drains; Sprinkler Head Seepage Persists After Head Replacement

Garden Articles

Plants