W
W
a
a
t
t
e
e
r
r
S
S
y
y
s
s
t
t
e
e
m
m
s
s
,
,
L
L
L
L
C
C
www.123filter.com
- Page 1 of 12 -
USER’S MANUAL
Version 2012-2
For use with the following systems:
Residential Unit
(no pump)
RCC7, RCC7DT, RCC7U, RCC7AK, RCC7AK-UV
RCW7, RCW5 RCW7DT
Residential Unit with
Booster Pump
RCC7P, RCC7P-AK, RCC1UP, RCC1UP-AK
Commercial Unit RCB2P, RCB2P-S, RCB3P
Flow Diagram for 5, 6 or 7-Stage Reverse Osmosis Water Systems