Are the Crosswater CA43-29, CA43-59 and CA43-102 cartridges interchangeable?

In short yes.

Due to ongoing product improvements, it is often necessary to update components. These updates often come with a change of SKU.

The CA43-29, CA43-50 and CA43-102 are physically identical. Changes are internal and have been made to improve the performance and longevity of the product

These can be used in WLBP+ coded thermostatic Shower valves from 2013 onwards.

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