Fernco’s Non-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, 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 Quick Enquiry Your Name (required) Category* —Please choose an option—BauunternehmenHandelIndustriePrivatpersonSonstige Country* Your Email (required) Product Your Message Opt in to receive offers, news, marketing etc. Privacy Policy Please leave this field empty. ×
