Irrigation Repairs Northern Beaches

A solenoid valve that won't open keeps the zone off. One that won't fully close runs water constantly, often appearing as a saturated garden bed or persistent wet area even when the controller is switched off. Solenoids fail for a number of reasons — worn diaphragms, debris in the valve seat, damaged coils or wiring faults at the valve. Diagnosis and repair usually requires the valve box to be opened and the system assessed under operating conditions.

Irrigation wiring runs underground through soil, around tree roots, past edging and through conduit. Over time, wire connections corrode, cables get nicked during landscaping work, and underground joints fail — particularly in older systems. A single wire fault can take an entire zone offline or cause intermittent, hard-to-trace behaviour. We use dedicated wire fault detection equipment to locate breaks without unnecessary excavation.

Controllers fail, display error codes or lose their programming. If your system has stopped following its schedule, is running zones at the wrong time, or isn't responding at all, the controller is usually where diagnosis starts. That said, controller error codes are often triggered by faults elsewhere in the system — a short circuit at a valve or a wiring issue — rather than the controller itself having failed. We work through the cause before recommending a replacement. We install and commission Hunter Hydrawise smart controllers, which offer app-based scheduling, remote monitoring and zone-by-zone reporting.

Sprayheads barely clearing the ground, rotors falling short of their intended arc, or coverage that used to work but no longer does — these are usually pressure-related. The cause might be a partially closed valve, a failing pressure regulator, a problem on the mainline, or simply too many heads on a single zone. Poor coverage left unaddressed often results in dry patches that get blamed on the lawn or plants when the irrigation system is the underlying issue.

Sprayheads and rotors take a lot of wear — from mowers, foot traffic, compacted soil and general age. They crack, tilt, sink below grade, or develop worn nozzles that disrupt the spray pattern. We check head placement, arc settings, nozzle output and physical condition to make sure each zone is distributing water evenly across its intended area.

Blocked emitters, crushed or kinked tubing, root intrusion and UV breakdown are all common in drip irrigation systems. The problem is that dripline faults are often invisible until plants start to show stress — by which time damage may already have been done. We locate the fault, repair or replace the affected section, and flush and test the system before leaving site.

Underground leaks aren't always obvious. Sometimes the first sign is an unexpected increase in water bills, a consistently soft or waterlogged area in the lawn, or soil subsidence around a fitting. We locate and repair mainline breaks, lateral line faults and fitting failures.