Filter Cartridge Replacement - Du Pont WFPF3800 Series Installation Instructions Manual

Filter Cartridge Replacement

STEP 1
1
Turn the valve on the System Head
NOTE: "Off" will shut off all water flow in the home. "Bypass" will allow unfiltered water to Flow in the home.
2
Use the Filter Housing Wrench
NOTE: Use a pan or bucket to catch any water in the Filter Housing.
3
Pour out the water in the Filter Housing and remove the used Filter Cartridge
STEP 2
NOTE: Have a pan or bucket handy to rinse out the Filter Housing.
1
Rinse out the bottom of the Filter Housing.
2
dd enough water to fill the Filter Housing 1/3 full. dd approximately 2 tablespoons of bleach and clean the System Head and
bottom of the Filter Housing with a clean cloth. fter cleaning, rinse the Filter Housing thoroughly to remove bleach.
3 B
Remove the O-Ring in the top of the Filter Housing and wipe clean.
4
Use silicone grease to lubricate the O-Ring.
Place the O-Ring back in the groove of the Filter Housing.
NOTE: Make sure that the O-Ring is seated properly in the groove to ensure a good seal.
STEP 3
1
Insert the new filter cartridge over the standpipe in the bottom of the Filter Housing.
2
Screw the Filter Housing back onto the System Head and hand-tighten. Using the Filter Housing Wrench, tighten 1/4 turn.
NOTE: Do not over tighten.
3
Slowly turn the valve on the System Head to the "FILTER" position to allow the Filter Housing to fill with water.
4
Check for any leaks before proceeding.
Turn on the nearest faucet and flush the Filter System for 40 minutes.
WFPF3800 / WFPF2800 Series
to the "OFF" or "BYP SS" position.
D
to unscrew the Filter Housing.
B
.
7
1
2
1
W TER
OFF
C
D
B
V4.0