FDI P2131, Technical Manual, Page: 44 / 161

Sterilizer Water Softener (SWS)
The SWS is critical to the long ‐ term reliability and performance of the P2131 sterilizer. The
purpose of the SWS is to remove ions (e.g., calcium, magnesium, and chlorides) from the water
to prevent scale buildup on the heating elements, jacket walls, and other components.
Front View of SWS
Function(s) of Control or Indicator (Front View of SWS)
ITEM CONTROL/INDICATOR FUNCTION
1. Inlet Hose Connection
Connect pressurized potable water supply hose to this
connection. If not available, connect the outlet hose
from the manual hand pump.
2. Top Cap
Remove this cap to replace the deionized water
cartridge. Reference cartridge replacement procedure in
Section 4.3.4.
3.
Outlet Hose
Connection
Discharge of deionized water to WRS.
4. Outlet Hose (to WRS)
This hose is connected to the SWS outlet as well as to the
WRS fill connection. The cam ‐ and ‐ groove fitting with ball
valve is specifically designed to work with the WRS inlet.
1. Inlet Hose Connection
(P/N: P2131 ‐ 3 ‐ 3004)
2. Pentek Big Blue, 20”x3/4”, Housing
(P/N: P2131 ‐ 3 ‐ 9013)
3. Outlet Hose
Connection
(P/N: P2131 ‐ 3 ‐ 3005)
4. Outlet Hose
(to WRS)
(P/N: P2131 ‐ 3 ‐ 3006)
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