Instructions / Assembly

19
Version 2.0A
USS-335 installation instructions
Filter Replacement
(every 12 months)
connect to auxiliary faucet
R
E
P
L
A
C
E
E
V
E
R
Y
T
W
E
L
V
E
M
O
N
T
H
S
For FREE Filter Replacement Reminder, go to www.protectplus.com
Note: Place paper towels or rag under the filter system to catch any water drips.
Note: The 1/4" plastic tubing does not need to be disconnected for general routine maintenance and filter replacement.
However, plastic tubing may be easily disconnected. Simply turn o the water supply to the filter system. Press in the
gray collar around the fitting while pulling the plastic tubing out with the other hand.
LOCK
1/4 turn
LOCK
1st Stage
Carbon Filter
3rd Stage
Carbon Filter
LOCK LOCK
Filter Replacement
(every 6 months)
connect to auxiliary faucet
R
E
P
L
A
C
E
E
V
E
R
Y
S
I
X
M
O
N
T
H
S
LOCK
1/4 turn
2nd Stage
Membrane Filter
• Remove the Redi-Twist pre-filter cartridge from the system by turning it to the left.
• Remove the Redi-Twist post-filter cartridge from the system by turning it to the left.
• Discard the Redi-Twist filters in a proper manner.
• Install new Redi-Twist filters in reverse order:
1) 3rd Stage filter,
2) Membrane filter,
2) 1st Stage filter.
• Purge the RO System per the instructions in Step 7.
1st Stage and 3 Stage Filter Replacement: Membrane Filter Replacement: