When my sprinklers turn on there is a loud noise?

Improper Water Pressure High water pressure entering your irrigation system may produce loud sounds called water hammer. Because of their echoing effect, the noise may seem like it is emanating from a particular sprinkler. To verify if your water pressure is causing the noise, turn your water off at its main outlet.

Do sprinklers make noise?

Active sprinkler systems make several noises, including fizzing and the sound of flowing water, which are all part of normal operations. Still, these same noises can indicate a problem when they occur during sprinkler inactivity.

Why is one zone of my sprinkler not turning off?

If only one zone is malfunctioning in your sprinkler system, it’s likely caused by a valve in that particular zone. More specifically, it may be an issue with the zone control valve. Use an external bleed screw to dislodge any dirt or debris that may be stuck in the diaphragm of the valve.

What kind of noise does a sprinkler make?

The only time the noise occurs is when the sprinklers turn on. I get some noise when I turn the valves on manually. But, when it runs on the timer, I get a very loud hammering / thumping noise. All 7 valves.

Why is my sprinkler valve full of water?

The other reason may be water leaking through the zone valve (a check valve in the sprinkler will not fix this leak). The most common reason why water leaks through a valve is because there is debris obstructing the valves diaphragm.

How does an automatic sprinkler system work?

All modern automatic sprinkler systems have electric solenoid valves. These valves can be operated electrically from the controller or timer, they can also be operated manually at the valve by simply turning a lever or bleeder screw. In some cases the bleeder screw or lever may be in the open position, and it simply needs to be closed.

The only time the noise occurs is when the sprinklers turn on. I get some noise when I turn the valves on manually. But, when it runs on the timer, I get a very loud hammering / thumping noise. All 7 valves.

If only one zone is malfunctioning in your sprinkler system, it’s likely caused by a valve in that particular zone. More specifically, it may be an issue with the zone control valve. Use an external bleed screw to dislodge any dirt or debris that may be stuck in the diaphragm of the valve.

All modern automatic sprinkler systems have electric solenoid valves. These valves can be operated electrically from the controller or timer, they can also be operated manually at the valve by simply turning a lever or bleeder screw. In some cases the bleeder screw or lever may be in the open position, and it simply needs to be closed.

The other reason may be water leaking through the zone valve (a check valve in the sprinkler will not fix this leak). The most common reason why water leaks through a valve is because there is debris obstructing the valves diaphragm.