One of your irrigation zones may continue to run or might be stuck on even with your controller unplugged. The valve running without a signal from the controller is an indication that there is debris inside the valve. Here are some tips for valve repair. …

The flow control knob works very similar to a hose bib or gate valve as its main function is to either fully allow or restrict the amount of water passing through the valve. The main difference is that the flow control limits the diaphragm's stroke, …

There are two ways to bleed a zone valve for manual operation: … One way is to simply turn the solenoid (the black cylinder with 2 wires) counter-clockwise a 1/4 to 1/2 turn. To shut off the valve, twist the solenoid clockwise until it is snug on the …

The most common reason for a valve to remain on, or weep, is debris. New installations without proper flushing, recent mainline repair, or well water can cause debris to flow into the valve and get caught between the diaphragm and the seat.  …    It's …

All Hunter Industries Anti-Siphon Valves should be installed above ground and at least 6 to 12 inches above the highest sprinkler to prevent back pressure or drainage. Installations at any height lower than this may result in unsafe backflow condition. …

If water is leaking from the vacuum breaker portion, there could be debris in the anti-siphon poppet.  This would prevent the valve from sealing completely.  The cap can easily be removed by twisting counterclockwise to inspect the internal poppet area. …