Don't let flooding catch you off guard. The Fernco DN150/6" NonReturn Valve is your first line of defence against the devastating consequences of sewer and surface water backflow — safeguarding your home, business, and property before disaster strikes.

Flooding doesn't just cause costly damage; it disrupts lives, contaminates living spaces, and can take weeks to recover from. This smart, passive solution works silently in the background, allowing wastewater and surface water to flow freely in the right direction — while automatically sealing shut the moment backflow threatens your drainage system. No intervention needed. No ongoing upkeep required.

• Total peace of mind — once installed, it works around the clock to protect your property from sewer backflow and flood water ingress.
• Completely passive operation — no power, no manual activation, and no maintenance needed; it simply does its job, every time.
• Dualpurpose protection — doubles as a rodent deterrent, keeping rats and pests out of your drainage system through its integrated rat block design.
• Versatile application — ideal for residential homes, commercial properties, public roads, and infrastructure drainage systems.
• Trusted engineering — manufactured by Fernco, a globally recognised name in drainage solutions, formerly known as Flexseal, with a longstanding track record of reliability.

Whether you're a homeowner looking to futureproof against extreme weather or a contractor specifying dependable flood prevention measures, the Fernco NRV150 delivers proven, hasslefree protection that simply works — day after day, year after year.