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835.2
STEP BY STEP FILTER REPLACEMENT INSTRUCTIONS
Thanks to internal valving, cartridge change outs are simple and easy. It is not necessary to shut off
the source water from the supply tee. Water flow is automatically shut off when a cartridge is removed.
Please have a towel nearby for excess water in cartridges.
IMPORTANT: After installing the new cartridges and UV light, please read the Monitor Reset
Instructions to properly reset the Filter Monitor.
1. Before removing a cartridge, place a large “X” on the cartridge to be replaced to avoid any confusion
when the new cartridge is introduced.
2. If you are changing the Stage 3 Cartridge, it will be necessary to remove Stage 1 and close the
Reserve Storage Tank before replacing. To fully unscrew the Stage 3, remove the stem elbow from
the bottom of the cartridge. Simply push in on the collet and pull out on the stem elbow to remove.
You will reinstall the stem elbow by pressing the fitting into the collet once the new Stage 3 Cartridge
is in place.
3. To remove a cartridge, rotate counter clockwise until the cartridge is free of the valve head. A small
amount of water may escape during this process. Don’t panic, this is normal.
4. Before placing a new cartridge in the system, write the installation date in the space provided on the
label. Remove the yellow cap from the top of the cartridge, and rotate the cartridge clockwise into the
valve head to secure it. Ensure cartridge is fully screwed in.
5. Reprogram the Filter Monitor. Reference Reset Monitor Instructions located at www.sterisil.com.
6. The final step when changing cartridges is to run water for 60 seconds. For change outs on Stages
1-4, close the Reserve Tank and run the autoclave water.
7. Open all tanks to finish.
8. Cartridges can either be discarded in the trash or returned to Sterisil® for recycling. For more
information on our recycling program visit sterisil.com/recycle.
REPLACING THE UV LIGHT
1. Unplug the bulb from the unit. Do not look at the light when on. The ultraviolet light can cause eye
damage.
2. Use a flat head screw driver to pry out the white/clear piece and remove light.
3. Insert the new bulb until it clicks into place.
IMPORTANT: Do not touch the bulb. Grease from hands can cause damage to the lamp.
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