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3. Mounting the Faucet
A. Remove wing nut and metal washer from the threaded
shaft of the faucet. Leave the black rubber washer on the
threaded shaft.
B. Slide the threaded shaft of the faucet into drilled hole.
C. From under the sink, slide the metal washer on and thread
on the wing nut. Tighten the wing nut by hand until tight.
It may be necessary to have a second person to hold the
faucet while tightening the wing nut.
Do not overtighten the wing nut. Hand tighten only.
NOTE:
Do not use pliers or wrench to tighten.
4. Mounting the System
A. Center system between water supply adapter and drinking
water faucet.
Allow 1-1⁄2 inch (38 mm) clearance below system for
NOTE:
changing filter cartridges.
B. Install mounting screws at least 13-3⁄4 inch (350 mm) from
cabinet floor and 4-1⁄8 inch (124 mm) apart. Leave enough
space (approximately 1/2 inch [13 mm]) between the head
of the screw and the wall to slip system onto screws.
C. Place system over screws on wall and slide downwards to
lock into place. Make certain system is firmly attached to
wall to prevent it from falling and possibly being damaged.
5. Connecting the Faucet
A. Insert one end of the 1/4-inch tube, supplied in the
installation kit, into the gray quick-connect fitting collar
located on the bottom of the threaded shaft of the faucet.
Push tubing into the fitting until you come to a hard stop.
Do not bend or crimp tube when inserting.
CAUTION
B. Gently pull back on the tube to ensure it is connected
properly. If the tube comes out of fitting, cut a small section
of the tube off and reconnect.
6. Connecting the Supply Adapter and Inlet of
Filter
A. Determine the length of plastic tubing needed to connect
the inlet (left) side of the filter with the supply adapter. Be
sure to allow enough tubing to prevent kinking and cut the
tubing squarely. Place a mark 5/8 inch from the end of the
tubing.
B. Wet tubing with water and insert into supply adapter 5/8
inches until mark is flush with fitting.
Disconnecting the Tubing from the
NOTE:
Quick-Connect Fittings.
Routine maintenance and cartridge replacement will not
require that you disconnect the tubing from the filter system;
however, tubing may be quickly and easily removed from
the fitting if necessary. First, turn off the water supply to the
filter. Open faucet, then press in the grey collar around the
fitting while pulling the tubing with your other hand.
4 • PENTAIR
US-1500 Monitored Dual Filtration System Installation and Operating Instructions
3
Black
Rubber
Washer
Wing
Nut
4
13-3⁄4 Inch
(350mm)
A
1-1⁄2 inch (38mm)
5
A
6
5/8 inch
(16mm)
Metal
Washer
B
C
5/8 inch
(16mm)
B
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