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. …

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 …