McAlpine Waste Pipe Blank Cap

Seal off redundant or temporary waste pipework with confidence using the McAlpine Waste Pipe Blank Cap. Manufactured by one of the UK’s most trusted plumbing brands, this premium blanking plug offers a robust, leak-free solution for trade professionals and confident DIYers alike.

Constructed from highly durable white polypropylene, this cap is engineered to withstand modern plumbing demands. It features McAlpine’s renowned Multifit compression connection, which ensures a watertight seal across various pipe materials. Whether you are dealing with standard plastic waste pipes, copper, or lead, this fitting guarantees universal compatibility and incredibly easy, hand-tightened installation.

To accommodate your specific plumbing requirements, the cap is conveniently available in two distinct size options. The first option the S23U, is a 1¼ inch (32mm) variation that is ideal for capping standard bathroom basin waste pipe. Alternatively, you can select the T23U, which provides a 1½ inch (40mm) variation perfectly suited for kitchen sinks, baths, showers, and larger appliance wastes.

Whether you need to temporarily close a pipe during renovations, conduct pressure testing, or permanently block a redundant outlet, this McAlpine cap provides a secure mechanical joint you can absolutely trust. Versatile and built to last, it is an essential fitting to keep in your plumbing toolkit for fast and highly reliable maintenance.

Why not call in to our Hartlepool Bathroom Showroom for all your plumbing needs.