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23833A343
DEEP WELL PUMP INSTALLATION
(4" DIAMETER CASED WELL)
For wells over 25, but not exceeding 60 feet in depth,
the twin ejector must be installed down inside the well
rather than attached to the front of the pump. Materials
with part numbers are quality Water Ace parts.
General Materials
• One Jet Tank System #R-30-T7. Includes: 1/3 HP
jet pump mounted on a 7-gallon diaphragm pressure
tank, pressure gauge, and twin ejector with
gasket, bolts, venturi tubes, and foot valve.
• One can PVC cement (read instructions carefully)
• One can thread compound (read instructions carefully)
• One 1-1/4" close nipple
• One 1" x 4" nipple
• One 1-1/4" x 5" nipple
• Two 1" female PVC adapters
• One 1" male PVC adapter
• Two 1-1/4" male PVC adapters
• Enough rigid 1-1/4" PVC pipe and couplings to reach
from bottom of well to pump (delivery pipe)
• Enough rigid 1" PVC pipe and couplings to reach
from bottom of well to pump (pressure pipe))
• One well seal #RWS4-1012
• One 1-1/4" PVC elbow
• One 1" PVC elbow
6
REMINDER: ALL JOINTS AND CONNECTIONS MUST BE AIRTIGHT. A SINGLE PIN-
HOLE LEAK WILL PREVENT THE PROPER OPERATION OF THE PUMP. USE THREAD
COMPOUND ON ALL THREADED CONNECTIONS UNLESS SPECIFIED OTHERWISE.
1-1/4"
CLOSE
NIPPLE
STEP
1
Thread 1-1/4" close nipple
into foot valve. Thread the
other end of 1-1/4" close
nipple into bottom of twin
ejector. Hand tighten, then
tighten 1/4 turn with pipe
wrench.
STEP
2
larger hole until snug. Thread 1" x
5" nipple into smaller hole. Only
hand tighten venturi tube. Tighten
nipple 1/4 turn with pipe wrench.
The ejector has two holes in
the top of it. Thread venturi
tube (part #25881A281
stamped on the side) into
EJECTOR
FOOT
VALVE
EJECTOR
VENTURI
TUBE
1" X 5"
NIPPLE
Thread a 1-1/4" male PVC
adapter over the venturi
tube and into ejector.
Thread a 1" female PVC
adapter onto 1" x 5" nipple.
Tighten adapters 1/4 turn
with crescent wrench.
STEP
3
1" FEMALE
PVC
ADAPTER
1-1/4" MALE
PVC
ADAPTER
Subtract five feet from the
depth of your well. This is
the total length of PVC pipe
and couplings to cement
onto both the 1-1/4" male and 1"
female PVC adapters. Cement a
section of PVC pipe to each adapter.
STEP
4
1-1/4"
PVC
PIPE
1"
PVC
PIPE
STEP
5
Lower the assembly into
the well, foot valve first.
Use a pipe clamp to
prevent assembly for
sliding down into well.
Cement as many
couplings and sections
of rigid PVC pipe on
both sides of ejector as
it takes to equal the
depth of your well minus
five feet, then firmly
clamp assembly with a
pipe clamp to prevent it
from sliding down into
the well.
STEP
6
Remove pipe clamp and
slide well seal
#RWS4-1012
over PVC pipes and onto
well casing. DO NOT let
assembly slide down into well. Posi-
tion assembly so that twelve inches
of PVC pipes protrude from well
seal. Using crescent wrench, turn
bolts on well seal counterclockwise
until rubber gaskets are tight against
the well casing and the PVC pipes.
12" OF
PVC PIPE
PROTRUD-
ING FROM
WELL
SEAL
WELL SEAL
#RWS4-1212