User Guide

Cartridge change
1. Close the isolation ball valves. 2. Turn the cartridge with white plastic wrench included with unit.
3. Remove the used cartridge and discard them. 4. Insert the new cartridge. 5. Turn the cartridge
and tighten in place with the white plastic wrench. 6. Re-open the isolation ball valves to return
to normal operation.
1 2 3 4
Note: The replacement water treatment filling unit is not designed for initial filling. Caleffi’s
HYDROFILL™ water treatment filling unit, code NA5709 series, is recommended for that purpose.
The capacity depends on various factors including the temperature of the water, the chemical
composition of the water and pressure. For an exact determination is a water analysis of the
raw water. The values specified here are always related to the optimal case and are not binding.
White plastic wrench, included in package, is
required to remove filter housing to replace spent color
changing demineralization filter. Please do not
dispose and keep in handy location for future use.