Inspection Chamber Circular Reducing Ring - 450mm Diameter

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Inspection Chamber Circular Reducing Ring - 450mm Diameter
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Code CLKS499
EAN Code 5016609111073
Weight (kg) 1.000000
Brand Clark-Drain
Colour Black
Material Polypropylene Grade AP9
Specification LABC 271/9/7091 PART H
Size 450mm Diameter/ 350mm Clear Opening
£25.85 £21.54
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To ensure compliance with building regulations, a chamber reducing ring is required to be used if the height (or depth) of a 450mm inspection chamber exceeds 1200mm.

The reducing ring brings the clear opening size of the chamber down to 350mm, the size permitted for all 450mm chamber installations over a depth of 1200mm and up to a maximum invert depth of 3000mm.

The reducing ring clips inside the frame of the manhole cover using a clever snap lock design. It is specifically designed for use with the following chamber covers;

  • CLKS452
  • CLKS456
  • CLKS1657 (not CLKS1657KMB)
  • CLKS450SR
  • CLKS450SR/46SL

This reducing ring, manufactured from recycled polypropylene, is lightweight and easy to install.

Please watch our overview video below