Order Helpline 01752 692 221

Non-Return Valve - 110mm Retrofit for Plastic Pipes - Flexseal

Product Code:
Est. Delivery: 1-3 Working Days
Shipping costs displayed in basket.
We can let you know when this product is back in stock.

This product is proving to be very popular and has unfortunately sold out.

Enter your email below and we'll notify you as soon as this product is back in stock:

Subject to stock availability, if products on a 24 hours service are ordered alongside products NOT on a 24 hours service, this may delay your whole order.

View Transport Policy

All delivery charges are included in the final shopping basket and are dependent on the products Scottish Highlands & the Islands where additional shipping charges will apply.

Please note that not all products will incur an additional delivery charge to the Scottish Highlands & the Islands – this is based on the costs from the manufacturer, distributor or courier providing shipping on our behalf. If your delivery address is in the Scottish Highlands and Islands, a member of our helpline team will contact you prior to processing your order should an additional delivery charge apply.

While we make every effort to ensure orders are delivered by the date required, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules.

Any variation to web delivery date given will be advised to you by email or telephone. If we are unable to make delivery because access is not possible, we reserve the right to make a failed delivery charge.

£84.10 Incl. VAT
Oops! Please select from the options


This non-return valve can prevent sewerage from being forced back up into your property during flooding, whilst allowing normal operation to continue at all other times. Available in 110mm and 160mm sizes, the non-return valve foul drainage products are very simple to retrofit into a property’s existing drainage system.

Not only does the non-return valve block solid materials from backflowing into your property, it can also protect your home or business from rat infestations.

Not only is this non-return valve easy to install, but it is also unobtrusive and requires no specialist tools or additional maintenance once it has been installed into your desired existing pipe inlet.

Features & Benefits

  • A simple push-fit design makes installation quick and easy
  • Unobtrusive when installed
  • Two sizes available to suit DN100 and DN150 pipes
  • Universal for all pipe materials within the products size range
  • Protects against backflow and pests, such as rats and other rodents
  • Stainless steel reinforced flap for added protection against rodent infestation
  • NRV100 WRc Approved

Please note this is not compatible with OSMA inspection chambers.

There are no product specifications to show.

Questions & Answers


Is this Push fit?


Yes, this product will fit inside a 110mm plastic sewer pipe.


There are currently no reviews for this product

Products We Recommend


Product Enquiry Form

Non-Return Valve - 110mm Retrofit for Plastic Pipes - Flexseal

*Required Field

Would you like to empty your basket?

Yes No


It seems you are running an older version of Internet Explorer. Our site does not support these old browsers as they do not house the technology that allows our site to be safe and secure.

If you wish to access our site please either upgrade your browser or download an alternative.