£22.32Exc VAT
£18.60 Inc VAT

Polydrain 320mm Diameter Inspection Chamber Base complete with 3 Inlets

The chamber base allows for multiple connection variations in direction to any 110mm drainage layout. 

2 no. 45 degree inlets on main channel.

Supplied with two easy fit bungs to block off unused inlets.

Total depth can be up to 600mm using MR320 riser.

Polydrain 320mm inspection chamber complies with the following standards and building regulations:

BS EN 13598: 2010

Building Regulations Part H (Maximum invert depth of 0.6m)


Diameter - 320mm

Effective Height - 226mm 

Channel Size 110mm

Estimated Delivery 3-5 working days

Delivery charges applied at checkout.

Delivery Policy can be viewed here