1. Home
  2. Question and Answer
  3. Houseplants
  4. Garden Articles
  5. Most Popular Plants
  6. Plant Nutrition
 Botanic Garden >> Gardening >  >> Question and Answer >> Irrigation

Zone 3 Knocking & Pressure Drop: Need System Details to Diagnose

Knocking in zone 3 with pressure drop and anti-siphon spitting needs more info:

  • Zone layout (what areas, head types)
  • Elevation changes
  • Backflow to lowest/highest head elevation diff
  • Knock type: thump vs. bang
  • Floor type (affects noise transmission)

Water hammer or zone overloaded — but need details to pinpoint.

Irrigation
Rain Bird RC‑7BI Stops Advancing After Zone 1 – Advance Motor Failed
One Zone Low Pressure, Pump Cycles – Valve Not Opening Fully
Rain Bird ESP-8Si: Low Pressure on Zone 2 Only
Low Pressure on One Zone: Checking Sprinkler Head Screens, Not Valve Screens
Pump Short Cycling: Pressure Switch Settings and Zone Flow Balance
Pump Rapid Cycles Only on Zone 3 – Adjust Pressure Switch or Increase Flow
Rainwater Tank Pump System: Pressure Tank, Switch, and Flooded Suction
Why One Sprinkler Zone Stopped Working Overnight
Low Pressure on 3 of 5 Zones After Winterization
Recycled Water Zone Pressure Fluctuation: Valve Adjustment and Cleaning
Garden Articles

Fixing a Zone That Won't Shut Off: Nelson 8424 System

Toro 6‑Zone System: Zone 3 Runs Continuously, Zone 6 Won’t Start

One Zone Feeding a Second Manifold – Master Valve Wiring

Toro TMC‑212 Zone 1 Not Working – Electrical Troubleshooting Steps

Irritrol HR-6100: Program C (Zone 4) Not Working—Valve Diagnosis

Correct Placement of Pressure Switch and Gauge in a Sprinkler System

Random Zone-Change Water Hammer in 5-Zone System

Plants

Richdel 446PR Zone 2 Not Working—Solenoid Location and Replacement

Irrigation Zone Low Pressure – Pulling Up Heads Restores Flow

Sudden Low Pressure on One Station – Break, Blockage, or Valve Issue

Solving Low Pressure in a 3-Zone Hunter System: The Hidden Backflow Preventer Failure

Rain Bird 100-DV Flow Control Stem Leaking: O-Ring Replacement

14 Heads on One Zone: Pressure Drop Proves Too Many Heads

Toro EL-6+ Controller: Zone 2 Runs with Every Other Zone

Copyright © www.100flowers.win Botanic Garden All Rights Reserved