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Travis Perkins£10.34Visit shop Wavin Osma SquareLine pipe bend 87.5 degree 61mm black
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Amazon£17.90Visit shop Osma Black Wavin 4T862 Pipe Bend/Elbow - 87.5 Deg For 61Mm Square Downpipes
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The Wavin Osma SquareLine 87.5° Pipe Bend is designed for professional contractors and DIY enthusiasts installing or maintaining 61mm square downpipe systems. Its primary benefit is the concealed socket design, which hides unsightly cut pipe ends to deliver a clean, architectural finish to building exteriors. While it offers excellent aesthetic and structural integration with the SquareLine guttering system, users should note it is specifically engineered for 61mm square profiles and is not interchangeable with round or alternative-sized downpipe systems.
| Model Part Number | 4T862 |
|---|---|
| Brand | Osma |
No, this component is specifically designed for 61mm square downpipe profiles and will not fit round systems.
The SquareLine system is designed for a precise push-fit connection; follow standard installation practices for this range.
The SquareLine system supports a maximum roof area of 178m² per single downpipe.
Osma components are typically finished to be weather-resistant and aesthetically pleasing without the need for additional paint.
You can connect two 87.5° bends together with a small piece of 61mm square pipe to create a custom offset distance.
Check the end of the pipe for burrs or debris; ensure the pipe is cut at a perfect 90-degree angle.
Verify that you are using 61mm square pipe; check if the component is fully seated into the socket.
Installation of the Osma SquareLine bend involves sliding the pipe into the socketed end until fully seated. Ensure that the pipe is cut square to guarantee a proper fit within the concealed socket. Because the system relies on push-fit connection methods, ensure all edges are de-burred after cutting to prevent damage to internal seals.
Compatibility is strictly limited to the Osma 61mm SquareLine range. Mixing with other manufacturers' square systems may result in poor fits or potential leaks. For maintenance, periodically clear debris from the gutters and check the bend connections during your routine annual roofline inspection to ensure no shifting has occurred due to building settlement.
