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Compatible Spare Parts for the Tre Mercati Gretchen

Please select from the available product options shown below

Product CodeProduct OptionsDescriptionUnit PriceBuyDespatch Time
GretchenQA-ABAnticlockwise (to open) blue1/2" x 20 x 52mm £9.99 Today
GretchenQA-CRClockwise (to open) red1/2" x 20 x 52mm £9.99 Today
GretchenQA-PPair (1 x red, 1 x blue)1/2" x 20 x 52mm £19.98 Today
Product CodeProduct OptionsDescriptionUnit PriceBuyDespatch Time
SL05-SSingleLubricant£3.60 Today
ST17-SSingle17mm spanner£6.50 Today
STBOX-SSingleCartridge Box Spanner 14mm 17mm£10.50 Today
ST0TTK-SSingleMonobloc Tap Tightening Set£10.50 Today
SK01-SSingleSet of Allan Keys£1.99 Today

Replacement Cartridges suitable for the Tre Mercati Gretchen TM90090

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 may have BS5512 XZ 20 stamped on valve. Hot and cold available

Frequently asked questions
How do I remove the Tre Mercati kitchen tap handle and replace the cartridge?
First turn of the water supply.
1. Undo grub screw underneath handle.
2. Pull lever off.
3. Unscrew shroud.
4. Use 17mm or STBOX-S to undo cartridge anticlockwise.
5. Replace with new cartridge and replace shroud and handle
Watch video below for further guidance

How can I stop my tap from dripping?
You will need to replace the quarter turn ceramic cartridge. If you know which side is leaking you can purchase singly. If you do not know which one is leaking you are best to purchase the 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.