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Inspection Chamber Riser 450mm diameter - 325mm Invert

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£26.09 Incl. VAT
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Product Description

Combining flexibility with ease of installation, the 450mm Inspection Chamber Assembly includes 450mm dia chamber base, 300mm deep riser, cover and frame, sealing rings and chamber reducer. Providing more on site solutions the 450mm Chamber Base options are available for both 110mm and 160mm drainage layouts, with branch outlets designed to optimise flow direction.

The assembly meets the requirements of Building Regulations Part H1.

Optional Sealing Ring available


  • Chamber base options for 110mm and 160mm drainage layouts.
  • Watertight push-fit inspection chamber assembly.
  • Robust ribbed risers feature connecting lugs for a stable assembly.
  • Chamber reducer for added safety during inspection.
  • Cover withstands 35kN load for driveway use.
  • Secured lid in frame reduces risks of accidents, injury and removal.
  • Meets requirements Building Regulations Part H1.


Diameter: 450mm
Invert: 325mm

Product Documents


Material Plastic Diameter 450mm Colour Black

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Product Reviews

5 / 5 1 reviews
Harvey Curtis
12th October
Good product
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Inspection Chamber Riser 450mm diameter - 325mm Invert

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