The UPVC Drainage Non-Return Valve with 110mm diameter is a plumbing component designed to prevent backflow in drainage systems. Made from durable UPVC material, this valve allows water flow in one direction while blocking reverse flow. Key features: • 110mm diameter size • Made from high-quality UPVC material • One-way flow design prevents backflow • Easy installation and maintenance • Durable construction for long-term use • Corrosion resistant This non-return valve is specifically designed for drainage applications where preventing backflow is critical. The 110mm size makes it suitable for residential and light commercial plumbing systems. The terracotta-colored UPVC construction offers excellent durability and resistance to chemicals commonly found in drainage systems.