Non-Return Valves

Rats use drainage systems to move between properties and access buildings through toilet connections, floor drains, and wastewater pipes. This single-flap valve installs inside 4-inch (100mm) diameter drains to block that route permanently while...

Larger drainage pipes in commercial properties and main waste lines require proportionally sized protection. This 6-inch (150mm) single-flap valve installs inside commercial-grade drainage systems to block rat access while maintaining full water flow and...

Non Return Valves - Retrofit Water & Rodent NRV 110mm/4 inchNon-return valves allow sewer or surface water materials to freely flow in the direction of the systems mains but block backflow of those materials in the opposite direction in instances,...

Non Return Valves - Retrofit Water & Rodent NRV 150mm / 6 inchNon-return valves allow sewer or surface water materials to freely flow in the direction of the systems mains but block backflow of those materials in the opposite direction in instances,...