Instructions / Assembly

Undersink Installation
(3/ 8-inch cold water line)
Materials Required:
Te f l o n
®
tape
Pl ast i c t ub i n g
(2) 3/ 8-i nch compressi on f itt ings
(2) 3/ 8-i nch compressi on el bows (wi th f errul es and tubing i nserts)
(2) 3/ 8-i nch t o 3/ 4-i nch NPT reducing adapters (for i nstal lat ion of 3/ 4-inch I/ Os / f il ters)
NOTE:
•Reducing adapters can be used to adapt the filter to different pipe sizes. See your local
hardware st ore or pl umbing st ore f or hel p i n sel ect ing the necessary adapters and com-
pression f it t ings f or your inst al lat ion needs.
1. Turn off cold water supply and open nearest faucet to drai n pi pes bef ore st art ing instal -
lation. Place a tray or towel under the cold water line to catch excess water. Wrap about
6 i nches of Tef l on
®
tape in clockwise direction around pipe threads of each fitting /
adapter.
2. Att ach the mounti ng bracket:
3/ 4-inch f il t ers–see #2 under Whol e House Inst al lat ion
3/ 8-inch f il t ers–usi ng t he self -tapping screws, at t ach mounti ng bracket to cap.
Mark location under sink where filter is to be mounted. Allow
1
1
/
2
inches under filter to
enable cart ridge changes.
3. Assembl e f itt ings/ adapt ers. Start f itt ing/ adapt er i nt o i nlet of cap by hand, t hen t ight en
with a wrench. DO NOT OVERTIGHTEN. About one thread should remain visible. Repeat
for outlet on filter cap.
4. Usi ng a pi pe cut ter or hacksaw, remove a 3-i nch secti on of pi pe f rom the cold wat er l ine.
Debur r ends of r emai ni ng pi pe w i t h a f i l e.
5. Det ermine t he l engths of t ubing needed to connect t he i nlet and out let sides of t he f ilt er
to compression elbows on the cold water line. Measure tubing short enough to prevent
kinki ng. Using t wo wrenches, t ight en compressi on nut s 1
1
/
2- to 2-turns.
6. Turn on wat er suppl y to al low f il ter to sl owl y fi l l with water, t hen press t he pressure-
relief button on the housing to release trapped air. Open faucet and flush filter with
water for 5-minutes. Check for leaks and tighten fittings as needed.
Cart ridge Replacement
A. Turn off wat er suppl y t o f il ter. Depress red pressure-rel ief but ton t o rel ieve the pressure,
then twist off bottom of housing.
NOTE: If turning off water supply to filter will also turn off water supply to the rest of
the home, be sure to fill a bucket of water first to allow you to clean housing after it has
been removed.
B. Locat e and r emove l ar ge o- r i ng, w i pe cl ean of l ubr i cant , and set asi de.
Di scar d used car t r i dge. Ri nse out bot t om of housi ng and f i l l about 1/ 3 f ul l w i t h w at er.
Add about 1 tablespoon of bl each and scrub cap and bott om of housi ng with nonabra-
sive sponge or cl oth. Rinse thoroughly.
Lubr i cat e o- r i ng w i t h cl ean si l i cone gr ease. Cl ean gr oove and connect i on poi nt on cap.
Insert o-ring back into groove and smooth into place with finger.
Insert new cartridge over standpipe in bottom of housing.
C. S cr e w b ot t om of housi ng o nt o t he c ap an d h an d- t i ght en . D O N OT OV ER- T I GH T EN.
Make certain cap standpipe slips into cartridge.
Sl ow l y t ur n on t he w at er suppl y t o al l ow f i l t er t o f i l l w i t h w at er and t hen pr ess t he r ed
pressure-reli ef but ton on top of t he f ilt er t o rel ease trapped ai r. Open f aucet and flush
filter with water for 5-minutes. Check for leaks before leaving installation.
1
4
5
6
3
2
IN
3”
cold w ater
line
nut
ferrule
elbow
OUT
3