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Tuesday, August 20th 2013, 11:53am

Backflow is ..... "backflowing"??

Hi I've got an odd scenario.

4 zone system, only 1 year old. All new materials and new backflow.

When zone 1 activates, water comes out of the backflow momentarily, then all works fine. zone 2-4 do not do this.

Any ideas???

Thanks, Chris


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Posts: 5,292

Location: Metro NYC


Tuesday, August 20th 2013, 1:45pm

Maybe it's normal. Maybe it's not. If you want more, you have to provide the make and model of the device.


Tuesday, August 20th 2013, 3:32pm

Sorry, its a Watts 800m, 1 inch.


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Posts: 5,292

Location: Metro NYC


Tuesday, August 20th 2013, 7:11pm

You might have a temporary low-pressure situation when that zone is first opening. Water rushes into air-filled pipes, and the pressure doesn't rise to normal until the air is out.


Wednesday, August 21st 2013, 5:34pm

Thats what I was thinking, but there are no low heads in this zone, so it shouldn't be empty. I will have to check for leaks.....

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