Twist-Lock
™
Filter Replacement
1
Turn off the cold water shut-off valve to the RO Filter System Assembly.
2
Turn each Twist-Lock
™
Filter
B1
,
B2
,
B3
from right to left until it releases. Gently pull down on each used Twist-Lock
™
Filter
to remove it from the RO System Head
A
. Discard the used Twist-Lock
™
Filters.
NOTE: Place a pan or bucket under the RO Filter System to catch any water drips.
3
Hold each new Twist-Lock
™
Filter with the label facing to the left slightly. The two nozzles on top of each Twist-Lock
™
Filter
should be toward the back of the Twist-Lock
™
Filter. If holding properly, the two extended flanges on top of the Twist-Lock
™
Filter
should be out to each side.
NOTE: When viewing the Twist-Lock™ RO System from the front, the
B1
and
B3
are both PTL-C
B
filters. These filters must be po-
sitioned on either side of the center position while the
B2
is the PTL-RO or Membrane and must be positioned in the center position .
4
Lift each Twist-Lock
™
Filter straight up into the RO System Head
A
until the two nozzles seat into the ports and the two
extended flanges on top of the Twist-Lock
™
Filter are fully engaged into the RO System Head
A
.
5
Turn each Twist-Lock
™
Filter from left to right until it stops.
6
Turn on the cold water shut-off valve and the RO Tap and check for any leaks. If there are leaks, refer to the troubleshooting
information on page 15 of the installation instructions.
7
Pressure Test and purge system per Step 8.
12