Shallow inspection chambers

Wavin offers Osma Inspection Chambers in 250, 300 and 450mm diameters, approved to BS EN 13598-1 for shallow applications. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0.9 metres, depending on the chamber and the application. A 500mm diameter chamber approved to BS 7158 for use down to 3 metres is also available in the Osma range.

Quickly find the most suitable inspection chamber for your project using our online Inspection Chambers Selector.


Choose the right inspection chamber for your next project

The amount of choice available when it comes to choosing an Inspection Chamber can be daunting, so we’ve created a simple online Chamber Selection Tool to take the hassle out of the selection process.

We've also the put together a simple step-by-step selection guide you can read on our blog.

Multi-base inspection chamber

Our 250, 315, 450 and 500mm chambers comply with BS EN 1398-1:2010 and the 500mm chamber complies with the requirements of BS EN 7158:2001. All are Kitemarked and Sewers for Adoption 7 compliant.

Top solutions

Wavin offers a range of top solutions and restriction caps, including A15 class plastic covers.

Flexible shaft lengths

The 250mm comes with an integrated shaft, the 315mm and 450mm have ribbed shafts and the 500mm comes with a push-fit shaft system in 305mm sections. All can be easily cut to size.

Literature and CPDs

Download all of our literature for inspection chambers for shallow installations. We also offer a variety of CPD (Continuous Professional Development) courses.

Flow configuration

Chambers are available in up to ten base configurations and support both straight-through and 45 degree collection flow configurations for 110/160mm plastic or 100/150mm clay pipes and for a use with a 150mm UltraRib pipe.

What’s next?

Want to learn more about how Inspection chambers for shallow installations could benefit your next project? Contact our Technical Design team for advice and support. You can also keep up to date with new product ranges, systems and projects by signing up to our Newsletter. And why not take this opportunity to have a look through our downloadable product guides, certifications and other literature.