American Plumber W38-PRA Installation And Operating Instructions Download Page 2

Installation

•   Please read all instructions, specifications, and precautions before installing and using 

this filter.

•   For installation on standard 3/8" undersink pipe.
•  Use only Teflon

®

 tape for fitting housing connections.

•   Install filter cartridge in filter housing according to the filter cartridge replacement 

instructions (below) before proceeding with installation. See Filter Cartridge Selection 

Guide on p.3 to determine the best cartridge for your filtration needs. 

•  Install filter after water meter or pressure tank.
•   Numbered diagrams correspond with numbered steps. 

1.

   Turn off cold water supply 

(A)

 and open nearest faucet 

(B)

 to release pressure in pipes 

before starting installation. 

(C)

 Apply about 3-4 inches of Teflon tape in clockwise 

direction to pipe threads of each adapter.

2.

   If mounting bracket (not supplied) is to be used, first use bracket as a template to 

mark screw locations on wall 

(D)

. Insert mounting screws into wall. Leave a space the 

thickness of a nickel between the head of the screw and the wall to slip bracket onto 

screws. Then place bracket over the cap and align with inlet and outlet ports 

(E)

 

 

NOTE:

 Allow 1

1

2

 inches clearance below housing to enable filter cartridge changes.

3.

   

(F)

 Assemble all fittings. Start adapters into cap by hand. Use a wrench to tighten firmly. 

DO NOT OVER-TIGHTEN. About one thread should remain visible. Mount filter in marked 

location using bracket (see step 2)

 

 Using a pipe cutter or hacksaw, remove a 3" section of pipe from the 3/8" cold water line 

and deburr ends.

 

Disassemble nuts and ferrules from required fittings.

 

 

NOTE:

 Use brass ferrules with copper tubing, and plastic ferrules with plastic tubing.

 

 Install 3/8" compression elbows on tubing ends as shown. Tighten compression nuts 

firmly using two wrenches.

4.

   Connect the filter housing to the compression elbows using plastic tubing. Measure and 

cut the tubing, making sure lengths are long enough to prevent kinking. Assemble as 

shown and tighten the compression nuts 1 to 2 turns using two wrenches.

5.

   Slowly turn on water supply to allow filter to fill with water, then depress red pressure-

relief button on top of cap to release trapped air. Check for leaks before leaving 

installation. 

 

 

NOTE:

 A drinking water cartridge may contain carbon fines (very fine black powder). Run 

the tap for at least 20 seconds prior to using water for drinking or cooking purposes.

2

1

A

3

B

C

3"

4

Summary of Contents for W38-PRA

Page 1: ...xt recommended replacement date CAUTION Clear housings may crack or craze in time causing failure and leakage if exposed to organic solvents such as those found in aerosol sprays for cleaning products and insectides Tools and Materials Required 3 8 compression elbows and fittings for copper pipe 3 8 plastic Tubing Teflon tape File Pencil Screwdriver 2 adjustable wrenches Pipe cutters or hacksaw WW38...

Page 2: ...th inlet and outlet ports E NOTE Allow 11 2 inches clearance below housing to enable filter cartridge changes 3 F Assemble all fittings Start adapters into cap by hand Use a wrench to tighten firmly DO NOT OVER TIGHTEN About one thread should remain visible Mount filter in marked location using bracket see step 2 Using a pipe cutter or hacksaw remove a 3 section of pipe from the 3 8 cold water line an...

Page 3: ... filter to fill with water 8 Depress red pressure relief button to release trapped air Flush cartridge for 15 minutes before use Check for leaks before leaving installation Troubleshooting Leaks between cap and bottom of filter housing 1 Turn off water supply and press the red pressure relief button Remove bottom of housing 2 Clean o ring and o ring groove located directly beneath threads of housing ...

Page 4: ...R IM PLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WITH REGARD TO THE PRODUCTS PARTS AND ANY ACCOMPANYING WRITTEN MATERIALS To the maximum extent permitted by applicable law American Plumber shall not be liable for any damages whatsoever including but not limited to loss of time inconvenience expenses labor or material charges incur...

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