Compatible Spare Parts for the B&Q Galleny

Please select from the available product options shown below

Product CodeProduct OptionsDescriptionUnit PriceBuyDespatch Time
GallenyQ4-CRClockwise (to open) red1/2" x 20 x 51mm NTC£7.49 Tomorrow
GallenyQ4-ABAnticlockwise (to open) blue1/2" x 20 x 51mm NTC£7.49 Tomorrow
GallenyQ4-PPair (1 x red, 1 x blue)1/2" x 20 x 51mm NTC£14.98 Tomorrow
Product CodeProduct OptionsDescriptionUnit PriceBuyDespatch Time
SL05-SSinglePremium Disc/O'Ring Lubricant£2.99 Tomorrow
SL50-SSingleRegin Grease 50ml£9.99 Tomorrow
ST14-SSingle14mm spanner£6.50 Tomorrow


Replacement BSP 1/2" ceramic cartridges compatible with the B&Q Cooke & Lewis Galleny Kitchen Mixer Monobloc tap. (also sold by Screwfix under tap model Essentials 57a)

For guidance / instructions of how to replace a tap valve step by step please click here

If your tap is dripping or leaking out of the spout then it is time to replace / change the quarter turn ceramic disc cartridges. Original cartridge may be chrome and stamped with the code BS4512 CD XZ 20.

Cartridge has 20 teeth on spline. You will require our Anticlockwise open cartridge for the cold side, and clockwise open for the hot side, If you require both then you can select "Pair"

Tap Magician are the UK experts in ceramic disc tap cartridges and leaky taps. We offer high quality fully compatible tap valve spares for most UK kitchen, basin, bath and shower mixers. Easily repair and doctor your leaking or dripping hot and cold taps. Traditional or ceramic valve type. We have experienced advisors available for any technical support you need help or advice with. We stock the spare parts for all of our valves for easy and cheap low cost future maintenance (ceramic disc internals and silicone seals and washers and o'rings). We offer a 12 month warranty on all of our products.