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 put together a simple step-by-step selection guide to help you.

Step 1 - Understand the needs of your project

Our online Inspection Chamber selector can help you decide on the right chamber for your next project, but there are also some simple questions you can ask yourself, such as:

  • Is my drainage installation adoptable or non-adoptable?
  • What is my proposed depth to invert from cover level?
  • How many inlets do I need and at which angles?
  • What is the diameter of the outlet?

Step 2 - Use our handy chart to select the right Inspection Chamber

Wavin offer a comprehensive range of inspection chamber ranging in shaft diameters from 200mm up to 600mm, having either single or multiple inlets and outlets ranging from 110mm up to 300mm.

Once you have answered the above questions, the below chart will assist you in deciding which Wavin/Osma Inspection Chamber you should be specifying/using:

OSMA Inspection Chambers - Shallow

Choosing the right Inspection Chamber for your drainage needs

Wavin Inspection Chambers - Deep

Choosing the right Inspection Chamber for your drainage needs

Step 3 - Browse our full range of Inspection Chambers

Once you’re sure you’ve got all the information you need, take a look at our full range of Inspection Chambers.

Learn more about our Inspection Chambers

Our eLearning course provides an overview of Inspection Chambers, including:

  • Where Inspection Chambers should be used
  • Building Regulations’ guidance on non-adoptable drainage installations
  • How Sewers for Adoption (SfA7) impacts installation

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About the author

Martin Lambley

Martin is Wavin's Product Manager for Foul, Utilities and Water Management. Martin joined the team in November 2015, bringing with him a wealth of experience and knowledge.

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