450mm Inspection Chamber Base 5 Adjustable Inlets

450mm inspection chamber base with multiple fixed inlets designed for use in underground drainage systems. Developed to provide dependable access for inspection, maintenance, and rodding of foul and surface water pipework, this larger base size is suited to both domestic and light commercial installations.Manufactured from high-strength, durable materials, the base delivers reliable long-term performance under load while maintaining watertight integrity. Its multiple inlets accommodate various pipe connection layouts, making it suitable for junctions, changes in direction, or complex drainage configurations.Commonly used as a connection hub for pipework, the component allows several 110mm or 160mm pipes to converge at a single access point. It also serves as a transition between pipe gradients or levels, providing a chambered section that maintains flow performance across vertical changes.In addition, the 450mm base may be installed as an intermediate access point between manholes, typically every 45 metres on straight drainage runs, offering a practical and economical solution for system maintenance.The design integrates precisely with standard 450mm risers and covers, providing a secure, modular assembly that ensures straightforward installation and long-term operational reliability.