Buffalo 110mm / 4 inch Rat Blocker Non Return Valve

£57.99 Excl. VAT

Protect Your Property from Flooding and Rodents with Our 110mm/4″ Drain Non-Return Valve

Safeguard your home from the dual threats of flooding and rodent infestations with our innovative 110mm/4″ drain non-return valve. This versatile valve effectively blocks backflow from the sewage system while also deterring rats and other pests from entering through your drains.

Product Specifications:

  • Material: Full stainless steel face
  • Compatibility: Fits both clay and plastic pipes
  • Dimensions: 110mm/4″ diameter
  • Installation: Push-fit design for easy installation
  • Warranty: Backed by our manufacturer’s warranty for peace of mind

150mm / 6 Inch Valve AVAILABLE HERE

Download Product Sheet and WRc Tested and Certified



Safeguard Your Home from Pests and Flooding with the Buffalo Rat Blocker

The Buffalo Rat Blocker is a revolutionary non-return valve that effectively protects your property from both rodent infestations and flooding. This versatile device acts as a double shield, preventing rats, frogs, snakes, and other vermin from entering your home through the sewage system while also blocking backflow of effluent during floods.

Unparalleled Protection Against Rodents and Flooding:

  • Impenetrable Barrier: The full stainless steel flap with an inbuilt stainless steel plate provides a robust barrier against rodents, preventing them from gnawing through and entering your property.
  • Flood Prevention: The non-return valve mechanism ensures that wastewater remains confined to the drainage system, effectively preventing backflow and the risk of flooding.

Enhanced Functionality and Ease of Installation:

  • Flexible Installation: The valve’s unique flap design allows it to open on a 45-degree bend, eliminating the risk of it catching on chamber walls and restricting its operation.
  • Increased Flow Rate: The funnel-shaped body design enhances water flow through the unit, minimizing the likelihood of blockages.
  • Universal Fit: The Buffalo Rat Blocker seamlessly fits both clay and plastic 110mm or 4″ pipes, ensuring compatibility with a wide range of drainage systems.
  • Effortless Installation: No tools are required for installation. Simply push the valve into the end of a drain pipe or inlet into an inspection chamber for a secure and hassle-free setup.

Unmatched Peace of Mind:

  • 5-Year Guarantee: Backed by a comprehensive 5-year guarantee, you can rest assured that your Buffalo Rat Blocker will provide long-lasting protection.
  • 100% Money Back Guarantee: We are confident in the effectiveness of our product and offer a 100% money-back guarantee if you are not fully satisfied.

Invest in the of a pest-free and flood-safe home. Order your Buffalo Rat Blocker today and experience the difference.

What does the Buffalo Rat Blocker do?

  • Stops rats, rodents, frogs, snakes, and other vermin from entering homes, businesses, and other properties.
  • Protect the plumbing in your house and drain pipes.
  • The 110mm non return valve has an inbuilt stainless steel plate on the flap to stop rodents biting through, providing efficient pest control. The one-way flap valve allows the rat and rodent to leave the property but stops them from coming back up the drain pipe and into your toilet or house.
  • Stops flooding and backflow of effluent into properties, businesses, and homes during flooding.
  • A lockable flap allows you to close down entry pipes to inspection chambers to allow essential maintenance to be carried out.
  • Simple and easy to install (less than 2 minutes) drain guard making it the most cost-effective and efficient solution to prevent backflow and rodents. No tools are required and simple installation.

Why is the Buffalo Pest Control Valve unique?

  • The valve can open on a 45-degree bend due to its unique flap design it does not catch on the sides.
  • The unique flap design also means the flap doesn’t catch on the chamber walls – which could restrict its movement and operation.
  • Unique funnel-shaped body design means the flow of water is increased when passing through the unit; reducing blockages
  • Most man-hole chambers have inlet pipes that are not straight and enter the chamber on a 45-degree bend. Alternative solutions are not suitable for the inlets on an angle.
  • Fits both Clay and Plastic 110mm or 4″ pipes
  • The only non-return valve with a 5-YEAR GUARANTEE, 100% MONEY BACK GUARANTEE, and WRc APPROVED (PT/377/0916).

How the Buffalo Rat Blocker works

How to Install the Buffalo Rat Blocker


Community Design Registration No. 002723924

Patent No. GB2539660


Download Specification