Don't let flooding catch you off guard. The Fernco DN100/4" NonReturn Valve is your first line of defence against the devastating consequences of sewer and surface water backflow — silently working around the clock to keep your property safe, dry, and protected.

Whether you're safeguarding a family home, a commercial premises, or critical road infrastructure, this smart oneway valve installs directly into your drainage system and does exactly what it needs to — lets waste flow freely in the right direction, and stops it dead in its tracks when it tries to come back.

• Peace of mind during heavy rainfall — automatically blocks backflow during floods and surges, so you're protected even when you're not there.
• Zero disruption to your drainage system — designed to work with your existing flow, not against it.
• Completely maintenance free — fit it and forget it. No ongoing servicing, no hidden costs, no hassle.
• Dualpurpose protection — doubles as a rat and rodent barrier, keeping unwanted pests out of your pipework for good.
• Trusted, proven technology — backed by Fernco, a name synonymous with quality drainage solutions worldwide.

Flooding and rodent ingress are problems no property owner should have to face twice. The Fernco NonReturn Valve is the simple, costeffective solution that gives you lasting protection without the need for expensive ongoing maintenance or specialist intervention. Install once — stay protected for years.