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Green Lawn Man

Unregistered

1

Tuesday, June 8th 2010, 12:09pm

Adjusting inline GB Rainbird Valve

Greetings-

I have a fairly new Rainbird system which creates a banging waterhammer sound when it turns off with the GB valve in the "on" position. When the In-line GB valve is rotated to turn "off", there is no banging or water-hammer. Do i need this valve to be turned on? And if so, is there an adjustment so it will close slower?



Thanks!

Wet_Boots

Supreme Member

Posts: 3,882

Location: Metro NYC

2

Wednesday, June 9th 2010, 9:56am

Put the solenoid back to "off" - you are manually opening the valve. Let the controller operate the system.

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