Fernco In-Line Backwater Valve

Fernco’s Back Water 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, such as, flooding.

Unobtrusive to natural flow.

A proven flood prevention method.

Helps to protect homes, properties, commercial buildings, roads etc.

Also suitable as rodent deterrents with rat block features.

Maintenance free.

Fernco’s range of In-line Backwater Valves (BWV’s) support the flood prevention methods used in the installation of new drainage systems.

A physical barrier between your home and the public sewer to defend against backflow flooding. BWV’s have a proven and robust design to be automatically operated, providing a free flow of sewer or surface water materials.

Maintenance free and easy to install; BWV’s can be connected to any pipe material using a shear-banded coupling or Icon coupling.

Available in a range of sizes to accommodate the most common smooth PVC pipe sizes: 110mm, 160mm and 200mm and single and double-flap options are available.