5W160B | Wavin Osma 90 40mm PushFit Waste Knuckle Bend (Black)

A compact 90 knuckle bend for 40mm waste pipe systems. Featuring two pushfit ringseal sockets, it allows quick, tool-free assembly. Constructed from polypropylene and rated for intermittent hot-water discharges up to 90C, making it suitable for domestic and commercial drainage.

• Pushfit and solvent-weld combo allows flexible installation workflows.
• Three boss sockets future-proof the system for branch additions.
• Captive ring-seal and robust design ensure leak-free reliability.
• Bolted access cover enables maintenance without dismantling.
• Kitemarked quality solidifies trusted performance and safety.