2020 Web Catalog - Flipbook - Page 448
16 Clack WS1.5 Control Valve Assembly
B or indent indicates BSPT
N or no mark indicates NPT
Install D1300 upper diffuser (not shown)
Typical meter retaining clip installation.
Ensure clip is fully engaged in groove
and tabs positioned in slot as shown.
C-Series, Signature, Clack
BSPT threads on inlet and outlet ports on
the C3400BSPT-01 and C3401BSPT-04.
NPT threads on drain and injector ports on
*C3174 WS1 Regenerant Piston not used
for backwash only valves. C3010-15Z Injector Plug and C3195-01 WS1 Refi ll Port
Plug ASY must be used for backwash only
CL3418 - NPT Threads
CL3441 - BSPT Threads
**Order number C3003-02 includes C311803, C3501 and C3105.
***In 2008, a modification was made
to Meter Housing to use C3632
WS1.5/2/3 Meter Retaining Clip. Do
not use C3632 on old style housings
which have holes through the casting
to accept the U-shaped C3223 WS2
B indicates BSPT
N indicates NPT
If using a meter on WS1.5” valves,
select 1.5 if valve software records in CL3401-04
gallons and 38 if valve software records in
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