Filter Cartridge Replacement; Troubleshooting - Pentair EASY FLOW US1 Instruction Manual

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 6-12 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.
Model OMF1S uses OMF1S-CTO Replacement Cartridge
6. Cartridge Replacement
A. Relieve pressure by turning off the water supply to the system
and opening a faucet until water flow stops. Place a bucket or
towel under the system to catch any water drips (Figure 6a).
B. Lift the locking bar upward until the filter cartridge
disengages from the filter head assembly (Figure 6b).
C. Pull the cartridge away from the filter head assembly and
ensure the locking bar remains in the fully up position
(Figure 6c).
D. Align the posts on the filter cartridge with the ports in the
filter head assembly. Slide the cartridge filter towards into
the filter head assembly engaging with the locking bar
causing it to drop forward and down. (Figure 6d).
E. Pull down the locking bar until it snaps into place
(Figure 6e).
NOTE: See Placing the System into Operation section for
remaining steps.

TROUBLESHOOTING

Leaks between filter head assembly and
filter cartridge
1. Relieve pressure by turning off the water supply to the system
and opening faucet until water flow stops. Place a bucket or
towel under the system to catch any water drips.
2. Remove cartridge and inspect O-rings to make sure they are
seated and clean.
3. Install filter cartridge. Place system into operation and
check for leaks. If leaks persist, turn off the water supply and
contact Technical Support at 1-800-279-9404.
Leaks from tubing fittings
1. Relieve pressure by turning off the water supply to the system
and opening faucet until water flow stops. Place a bucket or
towel under the system to catch any water drips.
2. Depress collet on system or inlet supply adapter tubing
fittings and pull tubing from fitting. Inspect surface of tubing
for scratches or debris. Clean or cut back tubing to access
clean surface.
3. Wet the end of the inlet tubing and press into the inlet fitting
of the system. Ensure the tubing is fully pushed past the
fitting O-rings. Place system into operation and check for
leaks. If leaks persist, turn off the water supply and contact
Technical Support at 1-800-279-9404.
6 • Easy Flow US1 Filtration System Instruction Manual
6a
(white tubing)
6b
6d
Outlet (blue tubing)
Inlet
6c
6e