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Travis Perkins£24.70Visit shop Wavin OsmaSoil S/S reducer 110x50mm grey
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Amazon£26.43Visit shop Osma Soil Grey Wavin Osma 110Mm Soil 4S096 S/S Reducer - 110Mm X 50Mm
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The Wavin OsmaSoil S/S Reducer is an essential component for professional plumbers and DIY enthusiasts working on sanitary waste systems, offering a reliable transition between 110mm soil pipes and 50mm waste pipes. Its key benefit lies in the captive seal technology that prevents the ring-seal from dislodging during installation, though users should note this component is specific to the OsmaSoil PVC-U range and requires careful alignment to maintain a watertight connection.
| Model Part Number | 4S096 |
|---|---|
| Brand | Osma |
While it may fit other brands, it is engineered for the OsmaSoil system to guarantee tolerance and seal integrity; using compatible PVC-U pipe of the correct external diameter is required.
The captive seal is designed to remain locked in the socket groove during installation, preventing the seal from moving or 'bunching' when the pipe is pushed in.
No, this is a ring-seal fitting. It is designed to be pushed together and relies on the integrity of the integrated rubber seal for a watertight connection.
It is designed for sanitary waste systems; while PVC-U is durable, it should be protected from direct, long-term UV exposure if installed outdoors.
Yes, being kitemarked to BS EN 1329-1:2000 confirms it meets the standards required for soil and waste discharge systems in building construction.
Ensure the pipe end is properly deburred and apply an appropriate silicone lubricant to reduce friction.
Verify that the pipe is inserted deep enough into the socket and check that the captive seal is not pinched or folded.
To ensure a successful installation, first verify that the 110mm soil pipe is cut cleanly and deburred at the end. Apply a small amount of silicone-based plumbing lubricant to the pipe end and the reducer socket to facilitate smooth entry. Slide the pipe into the socket until it is fully seated. For maintenance, periodically check the joints for any signs of moisture or leaks. Avoid using aggressive chemical cleaners that are not compatible with PVC-U on the external surface of the fitting. Always ensure that the pipes are properly supported by clips to prevent strain on the reducer joint over time.
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