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• An ignition protected switch (U/L approved
marine duty) rated at or above 15 amps is
recommended, and must interrupt current flow
on the positive (+ red) lead.
CAUTION: Use of "open" type switches (not ignition
protected) may cause an explosion of fuel vapors.
• Wire size
2
is based on the distance
(gauge/
m
)
M
from the power source to the pump. The
minimum recommended wire size is
2
]. For lengths of 20-50 ft .
[2.5
m
M
2
gauge
[4
m
].
M
• The pump must be grounded to a "known
ground" (battery). The ground wire must be
the same size as the positive wire.
PLUMBING
• SHURflo swivel barb fittings provide easy
removal if maintenance or access is required.
The fittings are designed with a "taper-seal",
creating a water tight connection when hand-
tightened.
connections with properly sized stainless steel
clamps to prevent leaks.
include two ¾" swivel barb fittings
and an adapter to connect a standard
elbow)
#
14 gauge
garden hose to the pump outlet fitting.
use
#
12
[6-15
]
M
• Avoid any sharp radius in tubing that may kink
over time. Route tubing away from any heat
(exhaust manifolds etc.)
Always
secure
barb
tubing
Retail pump kits
(straight/
and fasten securely.
• Inlet tubing
from the sea-cock
(½"I.D. min.)
valve to the pump should be rated for
vacuum. If rigid pipe is utilized, SHURflo
recommends that the pump inlet port be
plumbed with 1 ft. [.3
] of flexible tubing.
M
Standard garden hose is not suitable as inlet
tubing as it may collapse under vacuum,
reducing water flow.
• The pump outlet port should not be connected
to rigid
pipe. Normal oscillation of the
(plastic)
pump may transmit through rigid plumbing
causing noise and possibly loosen or crack
components. A 1ft.
length of flexible high
[.3
]
M
pressure tubing is suggested.
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