Installation Guide
Figure 1 Figure 2
3. Shut o the water supply and 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 outlet is 3/8”, connect it to the water supply and faucet hose directly.
• If the angle valve outlet is 1/2”, you need to remove the above two ttings 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.
Installation of the lter system
Step 1: Fix the lter head and the lter
1. Paste the assistant label to nish drilling. (Note: Mount the
water lter at least 2 inches higher than the ground for easier lter
change.)
2. Install the screw and reserve enough space to hang the lter.
3. Hang the lter system on the screw.
Step 2: Connect the water supply (cold water only)
1. There is an existing mark at the end of the tubing for you to
conrm if the tubing is fully inserted into the tting.
2. Connect one end of the 1/4" PE tubing to the inlet of the lter
head. Until you reach the mark on the tubing.
Quick Connect Undersink Water Filtration System
WD-UB system | Installation Instructions
Note:
1. If using well water as the source, please make sure the feed water has been through a pre-ltration system, otherwise,
large particles in well water will clog the lter easily and shorten lter life.
2. The above form lists model numbers of only black lters. Please note that the white lter is dierent from the black
lter only in color. They have the same lter material and ltration capacity.
3. Actual lter life varies according to local water quality.
Precautions
• Do not use it with water that’s microbiologically unsafe or of unknown quality without adequate disinfection.
• For use only with cold water.
• Do not freeze the lter, 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 o the water supply while replacing the lter.
Operating temperature
Working pressure
Flow rate
Filter capacity
2-38℃/35-100℉
10-100psi (0.7-6.8bar)
0.75gpm (2.83lpm)
Specications
Parts list
Feed water requirement Municipal tap water
WD-RF10-UF/MZ: up to 11,000 gallons
WD-RF15-UF/MZ: up to 19,000 gallons
WD-RF17-UF/MZ: up to 24,000 gallons
Stainless faucet
Quick-connect tting
Filter head
Teon tape
1/4” tubing
Cartridge
3/8”-1/2” converter
3/8”-1/2” converter
Feed water adapter
Mark for
full insert
3/8" Cold water valve 1/2" Cold water valve
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 tting onto the faucet stem.
4. Connect one end of the tubing to the quick-connect
tting of the faucet, then lock the clip. If you want to pull
out the tubing, remove the clip rst.
5. Connect the other end to the outlet of the lter head.
6. Push the tubing into the tting until you reach the
mark on the tubing.
Mounting washer
Countertop
Nut
Faucet spout
Quick-connect
tting
Faucet body
Faucet stem
Clip
Clip
210mm
140mm