Aquaflow 110mm Inspection Chamber Base 470mm Diameter

The Aquaflow 470mm Chamber Base is a heavy-duty uPVC underground inspection chamber base engineered for gravity drainage and sewerage systems across domestic and commercial sites. Designed to form the foundation of a complete inspection chamber assembly, it accepts 110mm underground drain pipes and delivers reliable, long-term performance in demanding below-ground environments. BBA Approved and produced to British Standards, this chamber base is a trusted choice for drainage contractors, groundworkers, and self-builders throughout the UK.

Key Features and Specifications

• Diameter: 470mm — larger internal capacity for easier access and inspection
• Invert Height: 235mm
• Outlet Size: 110mm push-fit connections
• Material: uPVC (Unplasticised Polyvinyl Chloride) — high strength, moisture-resistant, and chemically stable
• Installation Depth: Suitable for depths of up to 10 metres
• Colour: Black
• Certification: BBA Approved; produced to British Standards
• Compatibility: Works with Aquaflow 470mm chamber risers, covers, and frames to form a complete system
• Blanking plugs: Unused inlets supplied blanked off as standard

Applications

• Residential and commercial underground drainage systems
• Gravity sewerage and soil pipe drainage runs
• New-build housing drainage installations
• Drainage upgrades, extensions, and re-routing on existing properties
• Civil engineering and infrastructure groundworks
• Inspection and maintenance access points on drainage networks

Why Choose This Product

The Aquaflow 470mm Chamber Base offers a larger working diameter than standard 320mm bases, giving engineers and groundworkers more room to make connections and carry out inspections. Its uPVC construction resists moisture, root ingress, and ground movement, ensuring a long service life with minimal maintenance. BBA Approval and British Standards compliance give specifiers and building control officers the confidence they need. The push-fit outlet connections make installation straightforward, reducing on-site labour time.

Delivery in and Around London

We deliver the Aquaflow 470mm Chamber Base to trade and retail customers across London and the South East. Inner London boroughs served include Croydon, Lewisham, Southwark, Camden, and Hackney. We also cover Greater London areas including Enfield, Bexley, Redbridge, and Barnet, as well as the surrounding counties of Kent, Essex, Surrey, and Hertfordshire. Trade quantities are welcome — contact us for volume pricing and project delivery schedules.