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Travis Perkins£17.46Visit shop Wavin Osma RoofLine gutter union 150mm black 6T609B
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The Wavin Osma RoofLine Gutter Union (6T609B) is a heavy-duty connector designed for professionals and contractors working on 150mm half-round industrial or commercial gutter systems. Its primary benefit is providing a robust, watertight connection between two gutter lengths while accounting for thermal movement through built-in expansion markings; however, it is specifically engineered for 150mm profiles and will not fit standard residential 112mm systems.
| Model Part Number | 6T609B |
|---|---|
| Brand | Osma |
No, this unit is specifically designed for 150mm half-round systems and is not compatible with standard 112mm residential guttering.
No, the Flexiclip system is designed to provide a watertight seal mechanically, negating the need for external adhesives.
The product conforms to the BS EN 607:2004 standard for plastic rainwater piping systems.
It is officially compatible with the 110mm Wavin OsmaSoil downpipe systems.
Use the molded expansion markings on the union to determine the necessary gap between gutter ends for thermal movement.
Check that the gutter ends are pushed in to the correct expansion mark and ensure the Flexiclip seal is fully engaged and free of debris.
Ensure the gutter is properly aligned and that the internal rubber seal is seated correctly within the track before applying pressure.
To install, ensure the gutter ends are cut square and deburred to prevent damage to the internal seals. Position the union beneath the two gutter ends, aligning them with the thermal expansion markers molded into the plastic. Press the Flexiclip mechanism into place until it clicks securely. For maintenance, periodically inspect the union after extreme weather events to ensure that no debris has caused a blockage that might put undue pressure on the joint. The unit is designed to be low-maintenance and should not require additional sealant if the Flexiclip is engaged correctly and the system is properly supported by standard brackets.
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