Any quick closing valve such as a solenoid can cause hydraulic shock waves
To release air that cause water hammer
To manually turn off an irrigation valve, locate the valve box in your yard, lift the lid, and turn the valve handle clockwise until it is fully closed. This will stop the flow of water to that specific irrigation zone.
Water hammer in a toilet is often caused by high water pressure or a malfunctioning fill valve. To solve this issue, you can try adjusting the water pressure, installing a water hammer arrestor, or replacing the fill valve.
When a valve is closed quickly the flow of water is interupted causing a water hammer. A water hammer arrestor or air chamber can be used to absorb the hammer.
A hammer arrester valve in a plumbing system is used to prevent water hammer, which is a loud banging noise that occurs when water flow is suddenly stopped. The valve absorbs the shock caused by the sudden stoppage of water flow, protecting the pipes and fixtures in the plumbing system from damage.
The sprinkler valve box is full of water because there may be a leak in the irrigation system, causing water to accumulate in the box.
Sun or to much water or irrigation
To fix a leaking sprinkler valve in your irrigation system, you can follow these steps: Turn off the water supply to the irrigation system. Locate the leaking valve and inspect it for any visible damage or debris. Clean the valve and surrounding area to ensure proper sealing. Replace any damaged parts, such as the valve diaphragm or O-rings. Reassemble the valve and turn the water supply back on to test for leaks. Adjust the valve settings if necessary to prevent future leaks. These steps should help you fix the leaking sprinkler valve in your irrigation system.
Technically it is called "HUNTING" which means it is hunting to maintain the SET Pressure and it more like a chattering sound then hydraulic shock (water hammer)
The purpose of a sprinkler anti-siphon valve is to prevent contaminated water from flowing back into the main water supply. It does this by creating a barrier that stops water from flowing in the wrong direction, ensuring that only clean water is used for irrigation.
An irrigation backflow valve is used to prevent contaminated water from flowing back into the clean water supply. It works by allowing water to flow in one direction only, preventing any backflow of potentially harmful substances into the water supply system.
To turn off water irrigation, locate the main valve for the irrigation system, usually found near the water source or in the control box. Turn the valve clockwise to close it and stop water flow. Additionally, if your system has a timer or controller, ensure it is powered down or set to the off position. Lastly, check individual zones or valves to confirm that no water is being distributed.