Polyfast 4" x 3" BSP Threaded Reducing Bush - Polypipe (Black) - 47043

The Polypipe 47043 is a heavy-duty PolyFast threaded reducing bush designed to join MDPE/HDPE components with differing thread sizes—reducing from 4″ BSP male to 3″ BSP female. Constructed from robust polypropylene for long-lasting performance, it provides a secure, corrosion-resistant connection suitable for cold water supply, irrigation, and infrastructure pipework. The fitting is WRAS-approved and ideal for both below- and above-ground installations.

• Threaded reducing bush – connects 4″ BSP male to 3″ BSP female threaded fittings
• Polypropylene construction – strong, impact- and corrosion-resistant
• Compression-based fitting – easy to assemble, no welding or heat required
• Suitable for potable water, irrigation, and utility systems
• WRAS-approved – certified for use in drinking water applications