Figure 5 Figure 6
②
Faucet hose
Outlet hose
Faucet hose
Note: If a female threaded connector is needed, please contact our service team for help.
Check the leaks and flush the filter
1. If water leakage occurs, turn o the water supply. If the water leakage is occurring at position 1 and 2,
wrap Teon tape on the external thread. If the water leakage is occurring at position 3 or 4, insert the
quick-connect tting to the end and make sure the hoses hit the bottom of the tting.
2. Flush the lter for 5 minutes before use.
To disconnect
Use your thumb and index nger to press down on the lock sleeve. Use your other hand to pull out the
hose from the tting.
Note: Please do not pull out the tubing directly, or else it will damage the tting and cause leakage.
Press
Pull
Press
Inlet hose
ColdHot
Outlet hose
Filter system
Faucet hose
1
2
3 4
Step 2: Connect the water supply (cold water only)
1. Connect the inlet hose and the outlet hose to the lter head. (Figure 1)
Note: When the hose is tightly inserted, there will be a 1/8 inch gap between the hose and the lter
head, which is designed for easy replacement and won't aect the sealing performance.
2. Shut o the water supply. Remove the faucet hose. (Figure 2)
3. Connect the inlet hose to the cold water valve.
• If the angle valve outlet is 3/8”, it can be directly connected to the water supply. (Figure 3)
• If the angle valve outlet is 1/2”, connect it with a No.1 converter at rst. (Figure 4)
Figure 3
Figure 1
Figure 4
Figure 2
3/8” outlet
1/2” outlet
Connect
①
to the cold angle valve
①
Step 3: Connect to the faucet
1. If the angle valve outlet is 3/8”, it can be directly connected to the water supply. (Figure 5)
2. If the angle valve outlet is 1/2”, connect it with a No.2 converter at rst. (Figure 6)
Inlet hose outlet hose
Installation of the filter system
Step 1: Fix the filter head and the filter
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.
Direct Connect Undersink Water Filtration System
WD-UA 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.
Inlet hose
Outlet hose
Teflon tape
Filter head
3/8”-1/2” converter
Operating temperature
Working pressure
Flow rate
Filter capacity
2-38℃/35-100℉
10-100psi (0.7-6.8bar)
0.75gpm (2.83lpm)
Specifications
System certied by WQA against NSF/ANSI Standards 42 for the reduction of the claims
specied on the Performance Data Sheet, and to NSF/ANSI 372 (≤0.25% lead).
Feed water requirement Municipal tap water
WD-RF10/WD-RF10-UF/MZ/AK: up to 11,000 gallons
WD-RF15/WD-RF15-UF/MZ/AK: up to 19,000 gallons
WD-RF17/WD-RF17-UF/MZ/AK: up to 24,000 gallons
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