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Filter Cartridge Replacement
NOTE: The life of the filter cartridges depends on water
volume used and the quality of the feed water. It is
recommended that the filter cartridges be replaced
every 12 months, or when there is a noticeable
change in taste, odor, or flow of filtered water.
Ensure the correct cartridge is purchased for the system.
Pentair Tankless RO System #4006877 uses the following
replacements:
#4006882 / ROM-24M / Replacement RO Membrane
#4006943 / CF-12M / CB-12M / Replacement Filter 2-Pack
Cartridge Replacement
A. Twist cartridge 90 degrees counter-clockwise and remove
from system.
B. Install new cartridge in the proper location, push firmly and
twist clockwise.
Indicator Lights
Indicator Lights
• CF: CF Filter Cartridge Lifetime Indicator
• RO: RO Membrane Cartridge Lifetime Indicator
• CB: CB Filter Cartridge Lifetime Indicator
• Water Drop: Water Quality Indicator (TDS indicator)
Smart Faucet Indicator Lights
• To quickly and easily get filter life indication, the Smart
Faucet includes an LED ring around the base of the faucet
which indicates filter life.
•
Blue - Normal, filter life is good
•
Purple - Needs attention, filter life will expire soon.
Indicator will change when there are 15 days of filter life
remaining.
•
Red - Expired, filter should be changed
Troubleshooting
Cartridge Sequence
Inserting Cartridges
into System
QUICKCONNECT TANKLESS RO Installation and Operation Manual • 7
Cartridges Fully Engaged
in System
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