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The last 4 posts

Wednesday, May 9th 2012, 4:05pm

by Wet_Boots

The controller may have problems, or there may be a zone valve sticking open, somewhere in the usual sequence of watering.

If you have a controller with an adjustable delay between zones, you might give that feature a try.

Wednesday, May 9th 2012, 12:59pm

by TheMoneyPit

When I run Zone 6 (final zone) or any of the zones manually and then turn off - everything is O.K.



Only when the "Auto" program is used to run each one does the problem occur at the BFP

When the zone 6 heads re-tract - water starts to come out (in pulses) from the cover of the BFP - moments later the same happens at all of the heads in each zone i.e. small bursts of water (maybe 1/2" high)

Tuesday, May 8th 2012, 9:30am

by Wet_Boots

what happens if zone six is manually run for a few minutes, then turned off?

Tuesday, May 8th 2012, 9:07am

by TheMoneyPit

Water from Backflow

(New to the forum - new 6 zone sprinkler system just installed)



When I run any one zone and manually turn off the system everything is fine, the problem happens when I run the Auto-program - All zones work ok and everything does what it should for the right amount of time etc., but when the last zone shuts off, the water starts to "pulse" out of the top of the backflow preventer ( and also small pulses of water come out of every head in all zones). If I turn off the water at the main, the system (BFP) resets and all is good again - until the next auto program completes.



Any ideas would be greatly appreciated