vibration in sprinkler system

[jesi]

Hi,
Just recently when one station of my sprinkler system is on, I hear a vibration in the house. Is this something I should be concerned about? What can I do to fix it?

[Wet_Boots]

Find out why that one zone is different. Higher flow? Completely empty zone pipe?

[Mr_Pike]

What kind of vibration?

If it is a tick tick tick tick tick, take a look at your water meter. See if the ticking corresponds to the tell tale wheel on the meter.

If it is a whining noise, you could have a bad PRV (pressure reducing valve) or bad rubbers in a frost free shutoff.

If it is a hammering noise like a machine gun, it could be the backflow preventor or the valves themselves.