How does a irrigation solenoid valve work?

A small orifice in the diaphragm allows the water to flow through to the upper chamber between the diaphragm and the bonnet. The water continues to travel on through a port in the bonnet to the solenoid area. The solenoid has a light spring loaded metal piston that, when the valve is closed, covers the inlet port hole.Click to see full answer. In this way, what is a solenoid valve for irrigation?Solenoid valve for irrigation. A water irrigation solenoid valve is an electrically controlled valve to regulate the flow of water. By applying a voltage over the coil, the valve opens and the liquid can flow through. Solenoid valves are also called electromagnetic valve, water valve, electric valve or electro valve.Subsequently, question is, what does the sprinkler solenoid do? The solenoid controls a spring-loaded metal piston that opens or closes the water port passing through the valve. Irrigation zone valves come in many shapes and configurations, including models that integrate an anti-siphon device. Beside this, how do I know if my sprinkler solenoid is bad? If your solenoid is bad, the water pressure in the sprinkler chamber will not be changed and the valve will fail to open. Turn off the water supply. Open the solenoid housing and inspect the plunger. Reinsert the solenoid plunger into the housing. Where is my sprinkler solenoid valve?Start at that sprinkler and try to find the valve nearby. The cheapest and easiest way to find buried irrigation valves is often to probe the soil with a thin rod, such as a long screwdriver. Often you can estimate the rough location of the irrigation valve, then find a buried valve box by probing the ground.