Basin Wastes with Overflow

Basin wastes with overflow

A basin waste with overflow is a drain fitting that includes a secondary channel alongside the main waste outlet. That secondary channel connects to the overflow slot cut into the basin bowl, usually visible as a small opening near the top of the basin. If the tap is left running and the main waste is blocked or closed, the overflow channel gives the water somewhere to go before it spills over the edge of the basin onto the floor or vanity. This range brings together basin wastes with overflow function from multiple brands, including ADP, ART Australia, and Caroma, across 75 products.

Why the overflow function matters

The overflow is a practical safety feature rather than a decorative one. It matters most in households where a tap could realistically be left running unattended, such as with young children, or simply as a safeguard against an overfilled basin causing water damage. If your basin has a visible overflow slot moulded or cut into the bowl, it needs a waste that is designed to work with that slot. A waste without an overflow channel will not use that slot at all, leaving the basin without its intended overflow protection.

Matching the waste to your basin

Not every overflow waste will suit every basin. Before choosing one, check the following:

• Overflow port position: the overflow channel on the waste needs to line up with the overflow slot position on your specific basin. This varies between basin models and brands.
• Overflow port size: the size of the connection needs to suit your basin's overflow opening, so check manufacturer specifications rather than assuming a universal fit.
• Basin compatibility: if you already own the basin, check with the basin manufacturer's specifications or your supplier to confirm which waste types are designed to pair with it.
• Waste type: confirm whether you need a click-clack, pop-up, or plug-and-chain style waste, since this range spans multiple waste operating styles across the listed brands.

Matching finishes

Because a basin waste with overflow is usually visible sitting inside the basin, it is worth matching its finish to your tapware rather than treating it as a purely hidden plumbing part. Checking the finish name against your tap and shower fittings before ordering will help keep the finished look consistent across the bathroom.

With 75 products spanning ADP, ART Australia, and Caroma, there is a wide selection here, so narrowing down by your basin's overflow port specifications first will make it easier to find the right match.

Frequently Asked Questions