HYDRO-RAIN ORBIT SPRINKLER SYSTEM DESIGNER Installation Manual page 6

BefoRe You BeGIn
5. Install BaCKfloW PReventIon devICe and sHut-off valve (Cont'd)
We recommend that you
install a 3/4" or 1" PVC Ball
Valve immediately following
the backflow prevention
device.
If you are using an
atmospheric vacuum
breaker or anti-siphon
valve, you must place he
shut-off valve before the
backflow prevention.
ORBIT SPRINKLER SySTEm DESIGNER™ InstallatIon GuIde
®
this design plan
does not apply to
anything before
this point;
homeowner is
responsible for
ensuring system
complies with
local codes
including backflow
prevention, etc.;
consult a licensed
plumber
Supply Line
Water Flow
3/4" or 1" PVC Ball Valve
A1
3/4" or 1" Poly Pipe
To Manifolds