Wavin OsmaSoil S/S Reducer - 110mm x 50mm
Best current price£24.70from Travis Perkins
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Product Information
Full details
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.
All features
| Model Part Number | 4S096 |
|---|---|
| Brand | Osma |
Extended Product Information
FAQs
Is this reducer compatible with non-Osma pipes?
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.
What is the purpose of the captive seal?
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.
Do I need to glue this fitting?
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.
Is this product suitable for external use?
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.
Does it meet building regulations?
Yes, being kitemarked to BS EN 1329-1:2000 confirms it meets the standards required for soil and waste discharge systems in building construction.
Troubleshooting
Difficulty inserting the pipe into the reducer
Ensure the pipe end is properly deburred and apply an appropriate silicone lubricant to reduce friction.
Joint appears to be leaking during testing
Verify that the pipe is inserted deep enough into the socket and check that the captive seal is not pinched or folded.
Pros and Cons
Pros
- Captive seal design prevents lost or displaced seals
- Meets rigorous BS EN 1329-1:2000 quality standards
- Corrosion-resistant PVC-U construction
- Seamless integration with OsmaSoil pipework
Cons
- Specific to 110mm to 50mm transitions only
- Requires proper lubricant for optimal seal performance
- Best used within the Osma brand system for guaranteed tolerance
Setup, Compatibility & Care
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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