Clack Circuit Board – WS1 – PN: V3108


This Clack circuit board (Part # V3108) fits standard WS1 and WS1.25 control valves labeled under the Clack brand name.  It also fits other “brands” of softeners using the Clack WS1 and WS1.25 control valves.

Clack Circuit Board – WS1 and WS1.25

Clack Circuit Board for the 5 button Clack WS1 and the WS1.25 – Clack Part #V3108 – This latest version of the Clack circuit board for the WS1 and WS1.25 control valves replaces older versions of the board.

The Clack WS1 is the most common Clack valve on the market and is used and sold under many different “brand” names.  The WS1.25 version of this valve looks nearly identical, but has a higher flow rate than the WS1.  This Clack circuit board will work with both valve types.

This Clack Circuit Board fits the WS1 with 5 horizontal buttons.  The cover may also be ordered separately in order to update any other version of the Clack WS1 or WS1.25 valve to this 5 button version.


Weight .34 lbs
Dimensions 7 × 8 × 2 in


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