
A 320mm polypropylene inspection chamber system for 110mm underground drainage. Lightweight, quick to install and made from recycled material.

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The MaxiChamber 320 gives you reliable access to 110mm underground drainage in a compact 320mm chamber. The base is moulded in polypropylene from recycled material, and at just 1.4kg it is easy to carry and place on site. With 110mm inlets and outlet, it connects directly to 110mm pipe to BS EN 1401 and BS EN 13476-2.
Choose a 3 or 5 inlet base to suit the number of connections, and add risers to reach the depth you need. Risers allow installation to 0.6m in non-adoptable applications. Each base includes blanking plugs, and a range of access covers lets you match the chamber to the project.
The base weighs just 1.4kg, so one person can carry it, position it and connect it without lifting equipment. That means less time in the trench and faster installation, especially on jobs with multiple chambers.
The chamber is moulded from recycled polypropylene, which gives you the strength and durability underground drainage demands. It also lets you specify a product with a lower environmental impact without compromising on performance.
Choose a 3 or 5 inlet base to match the number of drainage connections on site. Every inlet and the outlet is 110mm, so the chamber connects directly to 110mm underground pipe to BS EN 1401 and BS EN 13476-2. Blanking plugs are included, so any unused inlets can be sealed off.
Add risers to bring the chamber up to the depth your project needs, with installation to 0.6m in non-adoptable applications. A range of access covers is available, so you can match the finish to the location, whether that’s a landscaped area or a hard-standing surface.
Talk to our technical team about sizing, load class, lead times and pricing for your scheme.