2025 Nelsen Corporation Catalog - Catalog - Page 308
14 Clack WS1.5, NWS-15 Control Valve Assembly
Nelsen Water, Clack, C-Series
CL3946 - NWS
CL3178 - C-Series
CL3950-01
*C3174 WS1 Regenerant Piston not used for backwash only
valves. C3010-15Z Injector Plug and C3195-01 WS1 Refill
Port Plug ASY must be used for backwash only valves.
CL3430-01
CL3135
CL3407
CL3174*
CL3423
CL3418
CL3004
CL3418 - NPT Threads
CL3441 - BSPT Threads
CL3632***
CL3003-02**
Typical meter retaining clip
installation. Ensure clip is
fully engaged in groove
and tabs positioned in slot
as shown.
Install D1300
Upper Diffuser
CL3118-03
CL3501
CL3105
B indicates BSPT
N indicates NPT
CL3401-04
14 - 4
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