STEP 1
Turn Off the Main Water Supply Line
CAUTION
The Filter System must be installed after the water meter or pressure tank.
1
Turn off the main water supply line to your home.
2
Purge all water from the plumbing lines by turning on all faucets in your home and draining completely.
STEP 2
Configure Your System
See the System Configuration Chart below to determine how you will configure your filter system.
Materials Needed for 3/4" Diameter Housing Inlet/Outlet Ports
TYPE OF PLUMBING
FITTING
QUANTITY
METHOD
2
Standard Male Adapter
2
Compression
Union
2
NOTE: For galvanized piping, consult a professional plumber.
WFPF3800
3/4"
1"
COPPER
COPPER
PIPE
PIPE
No individual fitting (will require
Solder according to
more than 1). Solder according to
local plumbing codes.
local plumbing codes.
1" x 3/4" reducing coupling & 3/4"
3/4" Male Adapters
male adapter
& 3/4" x 2" copper nipple.
Compression
3/4" OD tube x 3/4" MIP
not readily available for 1" copper
Compressions Male Adapter.
pipe.
1" Copper Union & 1" x 3/4"
3/4" Copper Union & 3/4" Male
reducing coupling & 3/4" male
Adapter & 3/4" x 2" copper nipple.
adapter & (2) 3/4" x 2" copper
nipple.
3/4"
1"
PVC
PVC
PIPE
PIPE
Use PVC Primer & PVC Pipe
Use PVC Primer & PVC Pipe
Cement per your local plumbing
Cement per your local plumbing
codes.
codes.
3/4" MPT x 3/4" tube male
3/4" MPT x 1" tube male adapter
adapter PVC Slip Type.
PVC Slip Type.
n/a
n/a
3/4" PVC Union & 3/4" MPT x
1" PVC Union & 3/4" MPT x 1"
3/4" tube male adapter PVC Slip
tube male adapter PVC Slip Type
Type & 3/4" x 2" PVC nipple.
& 1" x 2" PVC nipple.
3
1
2
3/4"
1"
PEX
PEX
You may need to consult your
You may need to consult your local
local plumber - requires special
plumber - requires special tools.
tools.
3/4" MPT x 3/4" CTS QC Adapter
3/4" MPT x 1" CTS QC Adapter
(WATTS Water PEX).
(WATTS Water PEX).
V4.2L