28 Spline Range




Please note that BSP 1/2" is 20.6mm dia thread and BSP 3/4" is 26.4mm dia thread.


Our most popular 28 spline range products are shown below

Ceramic tap valve washer cartridge quarter turn
Our Most popular 28 Spline Cartridge is our TA54K which fits into may popular Kitchen Mixer taps such as Franke Olympus, Eiger, Howdens Lamona Garda SMR. BSP 1/2" with 28 teeth and 54mm tall. Available singly (hot or cold) The valve comes with a threaded collar for the fixing of a cowl and a solid brass M4 screw. Your cartridge may have an adaptor bush fitted which can be removed and reused or you can purchase a new bush. This has been known by many codes including 2552R 133.0069.365 / 133.0069.364 / 1427R s1022 , SP3561, 3561R, 133.0438.152, 133.0438.154
Quarter turn ceramic disk tap valve innard universal
Our Mini 28 splined valve with bottom thread fits into many taps such as Franke Ascona and Bern. Original Cartridge will have SMR and a date mark stamped on it. Original cartridge may have two flats instead of a hex nut and The cartridge is often recessed and can be tricky to remove, we supply a fitting tool (ST03) to remove and fit the cartridge (works for both the flat sided and hex cartridge).
Quarter turn ceramic tap valve washer headworks
Our 28 Spline insert for Blanco taps including the popular Eye Kitchen Mono tap. Cartridge measures 53mm tall with long 13mm spline length. .
Tap cartridge spare part ceramic washer head work
This is our popular cartridge which fits to many modern Lamona, Howdens, Franke, Carron Phoenix, Rangemaster taps. This cartridge does not have a threaded collar and measures 55mm tall. Compatible with valve code SP3547 3547R