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FILTER CARTRIDGE REPLACEMENT INSTRUCTIONS
To reduce the risk associated with property damage due to water leakage:
• The disposable filter cartridge must be replaced every six months or at the specified service cycle.
Replace cartridge at least every 6 months or when there is a decided decrease in water flowing from the faucet or
when objectionable taste and/or odors return. Always have spare cartridges on hand.
1. Close shutoff valve.
2. Open faucet to relieve pressure.
3. Unscrew housing to the left from the head of the filter. Have a small pan handy to catch any spillage. Unscrew used
cartridge to the left and discard.
4. Thread in new cartridge and hand tighten about 5-6 revolutions. Do not overtighten.
5. Remove o-ring from top of housing and lubricate with a thin film of a silicone based lubricant and put it back in
housing groove. If o-ring is stretched or damaged, replace it with a new o-ring.
6. Thread housing on filter head and hand tighten.
7. Open shut-off valve and flush 10 gallons through system before use (approximately 5 to 7.5 minutes). Water may
run cloudy but will clear quickly.
NOTE: If a leak occurs at the housing, close the shut-off valve and open the faucet to relieve pressure. Remove the
housing and check the o-ring for correct placement or damage. Install a new o-ring if necessary to stop leaks.
REPLACEMENT PARTS
Head
68586-31
Filter Cartridge
AP217
Bracket
68614-31
O-Ring
36851-35
Housing
64623-31
CAUTION
LIMITED WARRANTY
Limited Warranty: 3M Purification Inc. warrants this Product will
be free from defects in material and manufacture for five (5) years
from the date of purchase. The filter cartridge or filter membrane is
warranted to be free from defects in material and manufacture for
one (1) year. This warranty does not cover failures resulting from
abuse, misuse, alteration or damage not caused by 3M Purification
Inc. or failure to follow installation and use instructions. No warran-
ty is given as to the service life of any filter cartridge or membrane
as it will vary with local water conditions and water consumption.
3M PURIFICATION INC. MAKES NO OTHER WARRANTIES OR
CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
OR ANY IMPLIED WARRANTY OR CONDITION ARISING OUT OF A
COURSE OF DEALING, CUSTOMER OR USAGE OF TRADE. If the
Product fails to satisfy this Limited Warranty during the warranty
period, 3M Purification Inc. will replace the Product or refund your
Screws
Product purchase price. This warranty does not cover labor. The
68729-31
remedy stated in this paragraph is Customer's sole remedy and
3M Purification Inc.'s exclusive obligation.
This warranty gives you specific legal rights, and you may have
other rights which may vary from state to state, or country to
country. For any warranty questions, please call 1-800-222-7880
or mail your request to: Warranty Claims, 3M Purification Inc.,
400 Research Parkway, Meriden, CT 06450. Proof of purchase
(original sales receipt) must accompany the warranty claim, along
with a complete description of the Product, model number and
alleged defect.
Limitation of Liability. 3M Purification Inc. will not be liable for
any loss or damage arising from this 3M Purification Inc. product,
whether direct, indirect, special, incidental, or consequential,
regardless of the legal theory asserted, including warranty, con-
tract, negligence or strict liability. Some states and countries do
not allow the exclusion of limitation of incidental or consequential
damages, so the above limitation or exclusion may not apply to you.