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INST ALLA TION
Only qualified, licensed personnel should install pump
and wiring.
Important pump mounting information
Mount the pump on a solid, flat, level, rigid surface and
vibration free (to reduce vibration and pipe stress, bolt
pump to mount). Install the pump as close to the pool or
spa as possible. To reduce friction loss and improve
efficiency, use short, direct suction and discharge
piping. Allow for gate valves in suction and discharge
piping. Have adequate floor drainage to prevent
flooding. Protect the pump from excess moisture. Allow
adequate access for servicing pump and piping.
Pump may be bolted to level
foundation or mounting bracket.
Figure 1
Port threads:
Internal - 2" NPT for direct connection to pipe. External
-3" Buttress. Fits 38405-4094 - Union Collar for quick
disconnect pipe connection.
Order: Union Kit #77703-0108 (2" Union Halves).
Hazardous suction.
Can trap hair or body
parts, causing severe
injury or death.
Do not block suction.
Do not operate system
with broken or missing
drain covers.
Discharge
Port
Drain
Plug
791 0394
Do not block pump
suction. To do so with
body may cause severe or
fatal injury. Small children
using pool must ALWAYS
have close adult supervision.
NOTICE: When connecting threaded pipe directly to
pump, use thread seal tape or equivalent to seal
connections. Do not use pipe dope; pipe dope causes
cracking in some plastics and may damage components
in piping system.
When connecting threaded pipe to pump with union
half, use thread seal tape or equivalent between pipe
and union adapter. Union collar to pump should be
assembled dry and hand-tight. Make sure O-ring is
seated in groove.
NOTICE: Pump suction and discharge connections
have molded in thread stops. DO NOT try to screw pipe
in beyond these stops.
Thread Seal Taping Instructions:
Use only new or clean PVC pipe fittings.
Wrap male pipe threads with one to two layers of thread
seal tape. Cover entire threaded portion of pipe.
Do not overtighten or tighten past thread stop in pump
Suction
port!
Port
If leaks occur, remove pipe, clean off old tape, rewrap
with one to two additional layers of tape and remake the
connection.
NOTICE: Support all piping connected with pump!
Piping:
Use at least 1-1/2" (38mm) pipe (use 2"(51mm) pipe if
possible). Increase size if a long run is needed. When
using 1-1/2" pipe, connect to pump with 1-1/2" to 2" (38
to 51mm) reducing adapter.
To avoid strains on the pump, support both suction and
discharge pipes independently. Place these supports
near the pump.
To avoid a strain left by a gap at the last connection,
start all piping at the pump and run pipe away from the
pump.
To avoid airlocking, slope suction pipe slightly upward
toward the pump.
NOTICE: To prevent flooding when removing pump for
service, all flooded suction systems must have gate
valves in suction and discharge pipes.
Fittings:
Fittings restrict flow; for best efficiency use fewest
possible fittings.
Avoid fittings which could cause an air trap in suction
piping.
Pool and spa drains must conform to International
Association of Plumbing and Mechanical Officials
(IAPMO) standards.
Use only non-entrapping suction fittings and dual
suction outlets
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