
The drain valve is the small fitting that connects the bowl of your sink to the pipework below. When its seal hardens, water starts to seep past it, and the usual symptoms are a slow drain, a persistent smell, or a damp patch inside the base unit.
Here you will find replacement valves and waste fittings for kitchen sinks and laundry sinks from Unisan and TRES. These are direct replacement parts: the reference, the outlet size and the components included are listed individually on each product page.
To choose correctly, check three things on the fitting you are replacing — the outlet diameter, whether the bowl has an overflow channel, and the depth available underneath for the trap. Getting these right avoids the most frequent return we see in this category.
Prices shown include VAT, shipping is free, and delivery to Portugal usually takes 5 to 8 business days.


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from 5 to 8 business days

Free Shipping
De 6 to 9 business days



