Filter
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6
About the water filtration system.
Filter Cartridge Replacement
CAUTION:
Never remove the sumps when water pressure is in the Water Filtration system.
Close the water supply/saddle valve to the filter.
(See Fig. 1 in the
Installation Overview
section
for location of the saddle valve.) Open the filtered water faucet.
Remove the sump, using the sump wrench tool provided, from the filter head by rotating the
sump as shown in the below illustration. Be careful, the sump may be full of water. Be sure to
keep the large o-ring seal.
If you are replacing a filter cartridge, remove and discard the used filter cartridge.
Be sure the inside of the sump is clean. Thoroughly wash the inside of the sump with hot,
soapy water and rinse.
Remove the wrapper from the new filter cartridge and insert the filter cartridge in the sump.
Some cartridges fit either way, while others fit only one way. Observe markings on the
cartridge.
NOTE:
The Water Filtration system uses two different types of filter cartridges. Be sure to
install them correctly.
The sediment
(FXUSB)
filter cartridge should always be placed in the
Filter Ι
sump.
Lightly lubricate the o-ring seal in the sump with clean silicone grease. Be sure it is fully
seated in its groove.
Hold the sump up to the filter head, aligning the center hole in the cartridge with the
protrusion on the bottom of the head.
Being careful not to cross-thread, rotate the sump onto the filter head and tighten securely
by hand.
NOTE:
If the sump will not tighten up to the head, you may have the cartridge in upside
down. Take the cartridge out and check for correct orientation.
Repeat steps 2 through 8 for the taste/odor (FXUTB) or lead/cyst (FXULB) filter cartridge in the
Filter ΙΙ sump.
Turn on the filtered water faucet. Then, slowly open the water supply/saddle valve and allow
the filter housing to fill.
Close the filtered water faucet. Then, check for leaks between the sump and the head.
NOTE:
If leaking, turn off the water supply and turn on the filtered
water faucet. Disassemble
the filter and check the o-ring for cuts, flat spots, etc., and sealing surfaces for foreign
material. Clean the o-ring and lightly lubricate with clean silicone grease. Carefully press
into the groove in the sump.
If you are replacing the batteries, remove, properly discard and install two new “AA”
alkaline batteries in the battery pack. Removing the batteries or momentarily disconnecting
the leadwires resets the six month electronic timer.
The filter cartridges contain activated carbon. When new, turn on the filtered water faucet
for ten minutes to flush the system.
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1
Filter Ι
Filter ΙΙ
O-ring seal
Cartridge
Sump
Sump
Sump
Label
TURN SUMP
TO INSTALL
TURN SUMP
TO REMOVE
Head
Bracket
Turn sump wrench tool
provided clockwise
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