I suppose, but I think there may be more to it than just flushing out the valve. I noticed that if I turn that zone on manually, all heads pop up immediately, and the sprinklers work fine...so, there's something else going on with that valve.
No, this zone, like all of the others is flat...tks.
Hello, My home has 5 zones total: 3 in the front and 2 in the back. Recently, I've noticed that when zone 1, (which has appx 5 heads) comes on, it's taking about 60-90 seconds before all of heads pop up. The pressure is initially low but slowly builds to its normal flow (takes about another 30-45 seconds), and works normal for its alloted time. The remaining front zones come on and work fine. I'm wondering if there's a part in that valve that may be worn. Any input is appreciated...tks.