Main Shut Off Valve Sprinkler System

Locate the main shutoff valve on your irrigation system.

Main shut off valve sprinkler system.

The valve is typically within 3 5 feet of where the main water enters. Water shut off valves may have round wheel handles or lever handles. Shut off the water. Item 864129 model l7034.

Note that the water will still be on as long as any other zone valves are on. It is between the main water supply to your home and the sprinkler controller. Locating the proper valve. If you need to shut off the water to your system you ll need to know where to find the valve.

With automatic sprinkler systems you may be able to trace the controller wires all the way from the main controller to the valve locations. Inside the valve is a diaphragm or rubber plug. Shut off the water to the irrigation system by rotating the valve handle on the main supply pipe of the system. Sprinkler shut off valves are typically installed inside the house just ahead of where the main supply line runs outside to the sprinkler control box.

The main water may have come through the concrete floor or through the wall. When utilizing automatic valves wires run from the irrigation controller or timer to each of the valves. Replacing a sprinkler shut off valve. If a zone valve develops a leak or doesn t close the master valve will act as a back up to shut off the water.

If there is no shutoff valve for the irrigation system you may have to shut off the water at the home s main shutoff or the water meter. A master valve will greatly reduce any water loss due to a leaky station valve because the leaky station valve can only leak while the master valve is providing pressure to the system. The valve is closed when the handle is perpendicular to the pipe. Also if you damage the irrigation main line a master valve will control water loss so the main can be repaired without shutting off the water supply.

Dig holes every 10 feet or so to observe the direction of the wires until you locate the valve but be careful not to damage the wires as you dig a hand trowel is the best tool to use. A solenoid on the valve receives electric signals from the main controller. Lawn genie 0 75 in plastic electric anti siphon irrigation valve. But when all are finished watering the master valve will shut off the main water supply to the entire irrigation system.

Each valve is responsible for one area or zone of the lawn irrigation system.