🚰 Kitchen Plumbing

Sink Drain

A sink drain is the outlet assembly that carries wastewater from the kitchen sink to the trap and waste pipe. It typically includes a strainer or basket strainer, tailpiece, and a P-trap or bottle trap. Kitchen sink outlets are commonly 1-1/2 inch (about 3-1/2 inch basket opening in North America).

Typical specification

PropertyTypical value
TypeBasket strainer, standard strainer, or waste with overflow
MaterialStainless steel, brass, or ABS/PP for trap components
Outlet sizeTypically 1-1/2" for kitchen sinks; confirm against datasheet
Basket/openingCommonly ~3-1/2" strainer opening (North America); varies
Trap typeP-trap or bottle trap
ConnectionThreaded/slip-joint or compression connections
StandardVaries by market — confirm plumbing code requirement

Indicative / typical values for planning — actual products vary by manufacturer and standard. Confirm the final spec sheet before ordering; we do not publish fixed prices, request a quote for current offers.

Applications

Installed at the base of single- or double-bowl kitchen sinks to strain solids and route wastewater to the drainage system. Basket strainers allow the bowl to be sealed and filled.

What to specify when you request a quote

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FAQ

What size is a standard kitchen sink drain?
Kitchen sink drains commonly use a 1-1/2 inch outlet, with basket strainer openings around 3-1/2 inches in North American sinks. Sizes vary by region and sink model — confirm against the datasheet.
What is the difference between a P-trap and a bottle trap?
A P-trap is a curved pipe that holds a water seal to block sewer gases, while a bottle trap is a compact cylindrical unit serving the same purpose in tight spaces. Both must retain a water seal to comply with plumbing codes.

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