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The check valve for the [1 1/8" or 1 ¼"]
model will include a stainless steel washer
and a flapper. To install the check valve,
place stainless steel washer into the dis-
charge area of pump. Next place the
Nitrile flapper over the washer. Then
thread on the port on to pump's dis-
charge. Tighten port until port is bot-
tomed out with pump body.
For ¾" model install check valve such that
the tapered end is towards the direction
of flow. To install check valve, remove
gasket in Duraport and replace the gasket
with the check valve which also acts as
the gasket. Save the old gasket in case
you intend to not use the check valve at a
later time.
Make sure to avoid loops or bends in the
hose. Support hose if necessary. It is im-
portant that the hose be constantly rising
and not be allowed to dip below the outlet
port as this may cause an airlock situation.
For maximum performance use smooth
bore, reinforced hose.
NOTE: The check valve supplied with your
Ultima Bilge pump is used to prevent the
backflow of water. The utilization of the
check valve requires you to be mindful of
its functionality. The check valve material
is made of Nitrile material to be used for
water applications only. Also, the check
valve will reduce the flow of the pump.
If flow is critical to the application of the
pump, it is recommended that the check
valve not be used. Also, when winterizing
your boat, remove the check valve to avoid
ice formation and/or degradation of the
check valve.
8
Place fingers on circles to test the
pump
Leave 1" of
clearance
between
sensor and
any object
nearby
Mounting block
Wiring Instructions:
Refer to wiring diagram below. Use
appropriate sized connectors for 16
Gauge wire. The wiring connections
should be made with water resistant
permanent terminals. Liquid electrical
tape should be used to coat terminals.
The mount connections should be above
the highest water level. The warranty will
become void on this product if any
electrical cord is cut back more than
3 inches, if electrical splices become
submerged, failure to properly fuse or if
pump is installed contrary to instructions
or warnings.
You may install a three way switch panel
that will allow the pump to be in manual
or automatic mode. Make sure to fuse the
pump. The fuse holder should be between
positive battery terminal and three way
panel switch. Make sure to use the
appropriate fuse size for the models. To
check the operation of the pump, place
two fingers over the raised circular areas
in the back of the pump. After a short
delay [5 seconds], the pump should turn
on. If you remove your finger from the top
circle, the pump should remain on. If you
remove both fingers, the pump should
turn off.
Level,
parallel to
the bottom
of the boat
Original instructions
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