2-Bowl Sink Siphon with 3.5 inch Overflow - Double Kitchen Sink Drain Kit, White

Plumbers and kitchen fitters working on double-bowl sink installations will appreciate this complete siphon kit, which includes everything needed for a tidy under-sink connection. The white polypropylene body pairs with two 3.5-inch waste outlets and integrated overflow pipes, making it a straightforward choice for both new builds and retrofits.

Key specifications

• Sink configuration: double-bowl
• Waste outlet diameter: 3.5 inch (90 mm)
• Overflow connection: integrated
• Siphon type: bottle trap
• Material: polypropylene (PP)
• Outlet pipe diameter: 40 mm
• Adjustability: height and length adjustable
• Waste plug type: basket strainer
• Corrosion resistance: high
• Temperature resistance: up to 95°C
• Cleaning access: removable base for trap cleaning
• Seal material: elastomeric gaskets
• Installation type: push-fit / screw-fit
• Colour: white
• Included components: siphon body, 2x waste fittings, 2x overflow pipes, sealing washers, fixing nuts
• Application: kitchen sink drainage
• Water seal depth: 50 mm
• Compliance: meets European plumbing standards

Why choose it

The bottle trap design provides a reliable 50 mm water seal to prevent odours, while the removable base simplifies cleaning. High-temperature resistance up to 95°C and corrosion-proof polypropylene ensure long service life, even with frequent hot water discharge.

Ideal use cases

• Double-bowl kitchen sinks with 3.5-inch waste outlets
• Replacing old or leaking siphon assemblies
• New kitchen installations requiring overflow connection
• DIY plumbing upgrades with push-fit or screw-fit connections

Good to know

This kit is designed to meet European plumbing standards, ensuring reliable performance in modern kitchens. The included elastomeric gaskets provide a secure seal, and the adjustable height and length allow for flexible installation under various sink configurations.