WATER PURFICATION 911-740 REV. L 1
SHURFLO
®
AQUA KING™
INSTALLATION & OPERATION MANUAL
SHURFLO's Marine Duty Fresh Water Pumps were developed to endure the harsh marine environment. The patented design
delivers smooth, consistent fl ow at all ranges of operation, while drawing low current. The balanced motor design incorporates
precision ball bearings for long life, motor is equipped with an integral thermal breaker and U/L Marine listed. All Marine duty
pumps have sealed switches and are fi nished with a Electro Coating to inhibit corrosion. Marine duty fresh water pumps are
enclosed to prevent incidental moisture from entering and when installed correctly, Marine Duty Fresh Water Pumps provide
years of quiet operation.
GENERAL INFORMATION
SHURFLO realizes that in many in-
stances our pump is being installed as
a replacement pump within an existing
system. The following guides should be
considered to achieve optimum pump
operation.
MOUNTING
❚ The pump can be at the same level or
below the water tank. It may be posi-
tioned above the water tank if needed,
as it is capable of a 6 ft.
[1.8M] vertical prime. Horizontal inlet
tubing will allow priming to 30 ft. [9 M].
❚ Consider a dry location that allows
easy access if maintenance is required.
The pump should not be located in an
area of less than one cubic foot un-
less adequate ventilation is provided.
Excessive heat may trigger the integral
thermal breaker and interrupt opera-
tion. When the temperature drops the
breaker will automatically reset and
start operation. The pump can be
mounted in any position. If mounting the
pump vertically, the pump head should
be in the down position.
ELECTRICAL
❚ The pump should be on a dedicated
(individual) circuit protected by the
specifi ed fuse indicated on the motor
label.
❚ A U/L approved marine duty (ignition
protected) switch rated at or above 15
amps is recommended and must inter-
rupt current fl ow on the positive (+ red)
lead.
❚ The pump must be grounded to a
"known ground" (battery). The ground
wire must be the same size (gauge/
Mm2) as the positive wire.
❚ Wire size (gauge/Mm2) is based on the
distance from the power source to the
pump. Recommended size wire is #14
gauge [2.5mm2]. For lengths of 20-50ft.
[6-15M] use #12 gauge [4 Mm2].
❚ The total current draw on the circuit
must not exceed 15 amps. If the pump is
used in conjunction with other compo-
nents, overload current protection (fuse
or circuit breaker) and wire size must be
for the total amp requirement of
all devices on the circuit.
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