Note:
If using well water as the source,
please make sure the feed water has
been through a pre-filtration system,
otherwise, large particles in well water
will clog the filter easily and shorten
filter life.
Precautions
• Do not use it with water that is microbiologically unsafe or of unknown quality without
adequate disinfection.
• For use only with cold water.
• Do not freeze the filter, as this can cause cracking and water leakage.
• Do not allow children under 3 years old to have access to small parts during installation of this product.
• This installation must comply with all applicable state and local regulations.
• Turn off the water supply while replacing the filter.
Installation of the filter system
Specifications
Step 1: Fix the filter head and the filter
1. Align the triangle mark on the filter with the inverted
triangle mark on the filter head. Rotate the filter to the right
until the triangle mark on the filter aligns with the circle
mark on the filter head.
2. Paste the assistant label to finish drilling.
Note:
Mount the water filter at least 2 inches higher than
the ground for easier filter change.
Operating temperature 5-38 C/41-100 F
Working pressure 14-87 psi (1-6 bar)
Flow rate 1.32 gpm/5 Ipm
Filter capacity
Feed water requirement Municipal tap water
Up to 8000 gallons/30280 litres
(for chlorine reduction )
Wall
screw
Back view
Vertical view
Step 2: Connect the water supply (cold water only)
1. There is an existing mark at the end of the tubing for you to confirm if the tubing is fully
inserted into the fitting.
2. Connect the red 3/8" PE tubing to the inlet of the filter head. Until you reach the mark on the
tubing.
3. Shut off the water supply and turn on the faucet hose to release the water pressure. Remove
the faucet hose. (Figure 1)
4. Connect the feed water adapter and ensure that the rubber O-ring is loaded. If the angle valve
is 3/8", connect it to the water supply and faucet hose directly; if the angle valve is 1/2", you need
to remove the above two fittings before connection. (Figure 2)
Step 3: Install the faucet
Note:
If there is no hole in your kitchen sink or countertop, you have to drill one (1")or use the
hole for the soap dispenser.
1. Insert the faucet spout into the faucet body.
2. Insert the faucet stem into the hole on the
countertop. Under the sink, slip on other parts in
the order shown in the picture.
3. Firmly insert the quick-connect fitting onto the
faucet stem
4. Connect one end of the tubing to the quick-
connect fitting of the faucet, then lock the clip. If
you want to pull out the tubing, remove the clip
first.
5. Connect the other end to the outlet of the filter head.
6. Push the blue tubing into the fitting until you
reach the mark on the tubing.
3. Drill two holes on the wall according to the position of assistant label, then insert 2 screws.
4. Hang the filter system on the screw.
Mounting washer
Countertop
Wing nut
Faucet Spout
Quick-connect
fitting
Faucet body
Faucet stem
Lock clip
Lock clip
Figure 1
Figure 2
3/8" Cold water valve
1/2" Cold water valve
Installation instructions
Quick Connect Undersink Water Filtration System
Model: WD-U8-FC
Teflon tape
Filter head
Quick-connect
fitting
Faucet
3/8‘’-1/2‘’ Converter
3/8‘’-1/2‘’ Converter
Feed water adapter
3/8‘’ Tubing