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falcon8848

Starting Member

1

Saturday, May 28th 2016, 2:04pm

ROTOR UPSIDE DOWN?

I AM HANGING RAINBIRD 3500 ROTOR FROM TOP OF DECK ROOF. DONT WANT TO SPRY OVER TOP, CAN I INSTALL THE ROTOR UPSIDE DOWN TO LOWER IT UNDER THE ROOF?

Wet_Boots

Supreme Member

Posts: 5,123

Location: Metro NYC

2

Saturday, May 28th 2016, 2:13pm

give it a try, but don't blame us if your house explodes 8o

hi.todd

Supreme Member

Posts: 477

Location: Houston, Texas

3

Sunday, May 29th 2016, 12:43pm

You may want to make sure your Backflow Prevention Assmemly is not a PVB.

If you have a PVB,it is supposed to be installed 12" above your tallest sprinkler head, piping, outlet for it to protect against backflow. This is because the pressure vacuum breaker cannot protect against backpressure.

If you do have a PVB, you may consider replacing it with an RP or DC which ever your local code requires.

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