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  • Next day delivery on stocked items ordered by noon Next day delivery
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  • Technical Support Technical Support

Above Ground

Harmer SML Above Ground System

The Harmer SML system, with its comprehensive range of fittings and accessories, offers an innovative, whole-building solution for soil, waste and rainwater drainage installations. The system is fully compatible with other market-leading Harmer and Wade drainage products, including roof, floor, shower and channel drains

The Harmer SML socket less lightweight cast iron soil and waste system is BBA certified and meets the Standard of BS EN 877. The SML system combines modern, state-of-the-art drainage technology with the unique characteristics and benefits of cast iron as a preferred material for drainage installations

Download the Technical Brochure here.

* PLEASE NOTE: Free delivery threshold of £1,000 apply to these made-to-order products.

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  1. 100 x 100 x 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Combination Branch - 90 Degree
    100 x 100 x 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Combination Branch - 90 Degree
    £202.93
    Estimated Delivery date is 03/07/2025
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  2. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Round Access Pipes - 250mm length
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Round Access Pipes - 250mm length
    £77.50
    Estimated Delivery date is 03/07/2025
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  3. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Rectangular Access Pipes - 320mm length
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Rectangular Access Pipes - 320mm length
    £94.05
    Estimated Delivery date is 03/07/2025
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  4. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Short Access Bend - 88 Degree
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Short Access Bend - 88 Degree
    £83.99
    Estimated Delivery date is 03/07/2025
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  5. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Long Access Bend - 88 Degree
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Long Access Bend - 88 Degree
    £108.65
    Estimated Delivery date is 03/07/2025
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  6. 100 x 2
    100 x 2" BSP Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Boss Pipes - 100mm length
    £72.54
    Estimated Delivery date is 03/07/2025
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  7. 100 x 2
    100 x 2" BSP Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Double Boss Pipes - 100mm length
    £186.05
    Estimated Delivery date is 03/07/2025
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  8. 100 x 2
    100 x 2" BSP Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Corner Boss Pipes - 100mm length
    £254.77
    Estimated Delivery date is 03/07/2025
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  9. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - End Caps - Blank Ends
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - End Caps - Blank End
    £13.09
    Estimated Delivery date is 03/07/2025
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  10. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - End Caps - Tapped
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - End Caps - Tapped
    £34.50
    Estimated Delivery date is 03/07/2025
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  11. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - End Caps - Plug
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - End Caps - Plug
    £56.07
    Estimated Delivery date is 03/07/2025
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  12. 100 x 50mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Reducers
    100 x 50mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Reducer
    £46.93
    Estimated Delivery date is 03/07/2025
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  13. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Downpipe Supports
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Downpipe Support
    £62.86
    Estimated Delivery date is 03/07/2025
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  14. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Sleeved Connector
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Sleeved Connector
    £111.13
    Estimated Delivery date is 03/07/2025
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  15. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Stoneware Connector
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Stoneware Connector
    £79.98
    Estimated Delivery date is 03/07/2025
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  16. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Flanged Connectors
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Flanged Connectors
    £310.15
    Estimated Delivery date is 03/07/2025
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  17. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Pipe with Wall Flange
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Pipe with Wall Flange
    £274.04
    Estimated Delivery date is 03/07/2025
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  18. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Rainwater Stench Traps
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Rainwater Stench Trap
    £675.66
    Estimated Delivery date is 03/07/2025
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  19. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Branch Traps
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Branch Trap
    £239.70
    Estimated Delivery date is 03/07/2025
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  20. 100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Plain Trap
    100mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Plain Trap
    £84.35
    Estimated Delivery date is 03/07/2025
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  21. 100mm/4x50 Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Manifold
    100mm/4x50 Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Manifold
    £166.78
    Estimated Delivery date is 03/07/2025
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  22. 150mm Harmer SML Lightweight Cast Iron Soil & Waste Above Ground Pipe - 3m length
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - 3m length
    £274.94
    Estimated Delivery date is 03/07/2025
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  23. 150mm Harmer SML - Grip Coupling
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Grip Coupling
    £68.61
    Estimated Delivery date is 03/07/2025
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  24. 150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 15 Degree
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 15 Degree
    £61.24
    Estimated Delivery date is 03/07/2025
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  25. 150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 30 Degree
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 30 Degree
    £62.88
    Estimated Delivery date is 03/07/2025
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  26. 150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 45 Degree
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 45 Degree
    £62.88
    Estimated Delivery date is 03/07/2025
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  27. 150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 68 Degree
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 68 Degree
    £62.88
    Estimated Delivery date is 03/07/2025
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  28. 150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 88 Degree
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Single Bend - 88 Degree
    £62.88
    Estimated Delivery date is 03/07/2025
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  29. 150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Long Tail Double Bend - 88 Degree
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Long Tail Double Bend - 88 Degree
    £220.90
    Estimated Delivery date is 03/07/2025
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  30. 150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Medium Radius Bend - 88 Degree
    150mm Harmer SML Cast Iron Soil & Waste Above Ground Pipe - Medium Radius Bend - 88 Degree
    £278.17
    Estimated Delivery date is 03/07/2025
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