background image

Screw one end of the external thread into the thread of the 1” MNPT filter bottle and 
tighten it with a wrench. Refer to the installation steps above for further steps.

2.  ¾’’ MNPT thread specification and ¾’’ PEX pipe

Take out two ¾" FNPT / 1" MNPT adapter (not included in the box), wrap more than 
10 turns of Tefon tape on the 1" MNPT external thread of the adapter, then screw the 
adapter into the thread of the 1" FNPT flter bottle and tighten it with a wrench. 
Remark two ¾" brass PEX-A barb x ¾" MNPT external thread adapter (not included in 
the box). Wrap more than 10 turns of Tefon tape on the ¾" Brass PEX-A barb x ¾" 
MNPT male adapter external thread of the adapter. Screw one end of the male thread 
into the ¾" FNPT / 1" MNPT adapter and tighten it with a wrench. Refer to the 
installation steps above for further steps.

Notice: If the direction of the water flow of the bipolar system is 
opposite to the direction of the water pipe, please unscrew the screw 
connecting the filter bottle and the hanging plate, rotate the filter 
bottle 180 degrees and connect it to the hanging plate, and then 
install the water purification system normally according to the instal-
lation steps.

3

/

4‘’. Brass PEX-A Barb x 3/4‘’

MNPT Male Adapter

 1” MNPT/ ¾” FNPT adapter

¾‘’. Brass PEX-A Expansion Barb x 1‘’

MNPT male Adapter

3

1

2

4

5

6

7

8

Summary of Contents for WD-WHF21-PG

Page 1: ...User Manual 1 2 Stage Whole House Water Filtration System Read this manual before using and keep it for future reference...

Page 2: ......

Page 3: ...tents Product Operation and Specifications 2 Components List 2 Tools Required 2 Pre installation 3 Installation 3 Maintenance Instructions 6 Filter Change Instructions 7 Frequently Asked Questions 8 W...

Page 4: ...to 6months Lifetime upto 6months Safety glasses Towels Flat head screwdriver Medium crescent wrench Hacksaw Soldering iron or torch Adjustable wrench Teflon tape 1 Metal filter housing scraper 2 10 4...

Page 5: ...Allow the cut line to drain Smooth the newly cut ends down to avoid jagged points or edges A three valve bypass valve and loop may be installed to loop the entire system to make servicing easier The...

Page 6: ...in the figure Figure 2 1 Brass PEX A Expansion Barb x 1 MNPT Male Adapter Step 2 Measure the system and cut the pipe Figure 3 Determine location and water flow direction for the system Cut off the ap...

Page 7: ...ted Continue to run water until it runs clear and all air has been purged Shut the water off and let the unit sit for a while and then flush again It is not unusual for the water to appear cloudy for...

Page 8: ...ap more than 10 turns of Tefon tape on the Brass PEX A barb x MNPT male adapter external thread of the adapter Screw one end of the male thread into the FNPT 1 MNPT adapter and tighten it with a wrenc...

Page 9: ...ed with about 2 tablespoons of household bleach using a sponge or soft rag Wear rubber gloves Rinse all parts very thoroughly 2 Lubricate the O ring with clean silicone grease if needed DO NOT USE PET...

Page 10: ...should stop Q Why does water appear cloudy and gray A Water may appear cloudy or gray for the first 1 2 days after installation due to the tiny air bubbles being purged from the flters and extra carb...

Page 11: ...ditions outside listed operating parameters use in commercial operations or any other manner outside the product specifications set forth in the owner s manual Our obligation does not include the cost...

Page 12: ......

Reviews: