SET UP.
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MATERIALS
[D] 1½" PVC pipe, 2" long
[M] Neoprene washer,
1½" with 7" hole
[A] 3" diameter PVC parts:
» 18"– 24" long pipe
» Tee fitting with female
pipe thread (FPT) stem
» Repair coupling
» FPT to slip adapter
» Male pipe thread (MPT)
to slip adapter
» End cap
[E] PVC reducing tee
fitting, 1½"× 1"× 1½"
Air compressor that can
produce 40–60psi An air
tool compressor is best.
[N] 7" washers ( 2)
Tape measure
[F] 1" repair coupling,
Schedule 80 PVC must fit
inside 2" insert coupling
[O] 7" bolt, 2" long
Hacksaw or pipe cutter
[P] 7" lock nut with
nylon insert
[G] PVC primer and
medium-thickness glue
Crescent wrenches
at least 2
[Q] Brass pipe adapter,
½" MPT to ¼" FPT
[B] 2" diameter PVC parts:
» 15" long pipe
» FPT to slip adapter
» MPT to slip adapter
» Insert coupling
ProPlumber model
#PPFC200. Only carried
at Lowe's.
[H] Irrigation valve, 24V
solenoid with 1" MPT ends
A cheap one ($10) is fine.
Vise capable of clamping
the flange of 3" bushing
[R] Quick-release pneumatic coupling, ¼" MPT
Gloves and goggles
[I] 24V power supply Look
in the irrigation aisle next
to the valves.
[S] Silicone caulk
Sandpaper coarse and
medium grits
[T] Lithium grease
[J] 2" O-rings, 6" thick ( 4)
» 1¾" O-rings, 1" thick ( 4)
[U] Teflon pipe tape
Electric drill with grinding
stone bit
Photograph by Sam Murphy
[C] PVC reducing bushings:
» 3" to 2" slip ( 2)
» 2" to 1½" slip
» 1½" slip to 1" FPT
» 1" slip to ½" FPT
Drill press or lathe
[K] On-off switch, SPST
TOOLS
[NOT SHOWN]
Popsicle stick
[L] Fender washers, 13"
with 7" hole ( 2)
Plumber’s epoxy putty
(optional)
File (optional)
NOTE: All PVC pipe and fittings should be NSF-rated Schedule 40, unless otherwise specified. Try your local
home improvement or plumbing supply store. If you can’t find the exact parts indicated, you can improvise
endlessly in the plumbing aisle, or else try Grainger ( grainger.com) or MSC ( mscdirect.com).
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