Fix the sprinkler problem, not the wrong part.
Clear troubleshooting for residential sprinkler and irrigation systems. Start with the symptom, narrow the cause, then decide what to check, repair, or replace.
What is your system doing?
Pick the symptom that is closest to what you see. The production tool can branch into deeper checks.
You do not need to know the part name yet.
Choose what the system is doing. Each hub narrows the likely causes before sending you into model-specific or component-specific guides.
Low pressure
Weak spray, heads not fully rising, or one zone performing worse than the rest.
Zone won't turn on
Controller says the zone is running, but the sprinklers stay dry or silent.
Zone won't turn off
One zone keeps watering after the controller cycle ends or after power is removed.
Leaks or pooling water
Wet valve boxes, soggy spots, leaking heads, or water appearing while the system is off.
Controller problems
Error messages, missed schedules, offline smart controllers, or zones that run unexpectedly.
Uneven watering
Dry patches, overspray, runoff, mixed head performance, or inconsistent coverage.
Turn symptoms into a smaller list of likely causes.
Interactive tools should do something a generic article cannot: calculate, narrow, compare, or guide the next check.
Go deeper once you know where to look.
Guides built around real failure symptoms.
Sprinkler Zone Won't Turn Off: Causes and Diagnostic Order
Start with the valve, then separate a mechanical problem from controller or wiring issues.
Why One Sprinkler Zone Has Low Pressure
Compare zone-specific restrictions, leaks, valve opening, flow demand, and supply issues.
Controller Says a Zone Is Running but No Water Comes Out
Follow the control path from timer output to wiring, solenoid, valve, and water supply.
When the model matters.
Brand pages should exist only where controller behavior, parts, error states, or documentation genuinely differ.