Chamber Restrictor Ring - Product Review (Video)
Ensuring compliance with UK Building Regulations Part H, the Clark-Drain CLKS499 Chamber Reducing Ring reduces the clear opening of 450mm inspection chambers to 300mm, making it suitable for chambers deeper than 1.2m.
Key Benefits
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Meets building regulations
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Simple installation process
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Compatible with Clark-Drain covers:
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CLKS452 – 450mm Circular Cover
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CLKS456 – 580mm Square Cover
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CLKS450SR & CLKS450SR/46SL – 450mm Square Recessed Covers
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Easy Installation
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Remove Cover – Unscrew and lift it out.
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Insert Restrictor Ring – Align and push it into place.
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Replace Cover – Secure it back into the frame.
For a step-by-step demonstration, check out our video tutorial.
Items you will need
- Manhole Cover Recessed - 10 Tonne x 450mm x 450mm x 80mm for 450mm Circular Chambers
- Code CLKS450SR
£52.20 £62.64 £58.00 £69.60 Save 10% - Manhole Cover Recessed - 5 Tonne x 450mm x 450mm x 46mm for 450mm Circular Chambers
- Code CLKS450SR/46SL
£63.00 £75.60 £70.00 £84.00 Save 10% -
- Polypropylene Manhole Cover and Frame Square - 580mm
- Code CLKS456
£39.11 £46.93 £43.45 £52.14 Save 10% -
