Replacing Lever Tap Innards (cartridge)

[WabbitPoo]

I have water leaking out of the top of the basin tap. I've opened it up to see if there's anything serviceable, but the o rings LOOK ok. Anyway, it'd be easier to replace the cartridge, only I dont know which one it would be. Anyone know the make of this tap?

 

[Gasguru]

https://shop.lunns.net/cassette-cartridges-53-c.asp

several other sites too but it's often cheaper to replace the tap.

 

[JimCrow]

Measure the outside diameter of the cartridge,

https://www.screwfix.com/search?search=Flomasta+Ceramic+Tap+Cartridge+

https://www.google.com/search?q=35m...hDKAQ_AUoAnoECAEQBA&biw=1320&bih=739&dpr=1.25

 

[WabbitPoo]

Measure the outside diameter of the cartridge,
View attachment 251055


https://www.screwfix.com/search?search=Flomasta+Ceramic+Tap+Cartridge+

https://www.google.com/search?q=35m...hDKAQ_AUoAnoECAEQBA&biw=1320&bih=739&dpr=1.25

thanks. its 40mm. I'll take a look. There seems to be a myriad of designs of those three o rings. Does it matter that the o ring design is slightly different?