Maintenance
12
4.3 Replacing Cartridges
It is recommended to change the filter cartridges regularly, approximately 3-4 times per year depending on water quality and
usage. A gradual drop in water pressure after the filtration device is an indication that the pre-filter cartridges are nearing
the end of their useful life.
Procedure:
1
0
30
15
45
10 mins
•
Disconnect main power
source and allow the unit to
cool for 10 minutes.
2
•
Shut off the water supply.
•
Close each faucet.
3
•
Press the pressure button to
release the pressure from the
cartridges.
4
•
Remove the drain plug at the
bottom of the sump and place
a pail to catch the water.
•
Reinstall the drain plug.
5
1
1
2
2
•
Remove both the housing(s)
using sump wrench.
6
Old
New
•
Remove and discard the old
cartridge(s).
•
Install new cartridge(s).
7
1
1
2
2
•
Reinstall the housing(s).
8
•
Open a faucet downstream of
the system.
•
Restore power and turn on
the water supply.
•
Close the downstream faucet.
•
Press the pressure button to
purge air.
C A U T I O N
The sump housings will be heavy.
