Wavin Osma Overflow Solvent Double Socket - 21.5mm - White
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Product Information
Full details
This guide is for plumbers and DIY enthusiasts working with condensate overflow systems. The Wavin Osma Overflow Solvent Double Socket provides a secure and permanent connection for 21.5mm solvent weld pipe, essential for safely draining overflow water from condensing boilers and cisterns. A key benefit is its reliable ABS construction ensuring durability. One caveat is that it requires specific solvent weld adhesive for installation, which is not included.
All features
| Model Part Number | 402034 |
|---|---|
| Brand | Wavin |
Extended Product Information
FAQs
What type of adhesive should I use with this fitting?
You must use Wavin Osma primer and Wavin Osma solvent weld cement specifically designed for PVC-U pipes and fittings to ensure a strong, permanent bond.
Can I use this fitting with standard copper pipe?
No, this fitting is exclusively for 21.5mm solvent weld PVC-U pipe. It is not compatible with copper or other pipe materials.
What is the primary application for this overflow socket?
Its primary application is for draining overflow water from condensing boilers, water heaters, and storage cisterns using a solvent weld pipe system.
What does 'solvent weld' mean?
Solvent welding is a process that uses a chemical solvent to fuse PVC-U pipes and fittings together, creating a single, leak-proof piece of pipework.
Is this fitting suitable for high-pressure applications?
While solvent weld joints are strong, this fitting is intended for overflow and condensate drainage, not high-pressure main water lines.
How long does the joint take to cure?
Refer to the Wavin Osma solvent weld cement manufacturer's instructions for specific curing times. Generally, allow sufficient time for the joint to set firmly before use.
Troubleshooting
Joint is leaking
Ensure proper surface preparation (clean, dry) and adequate application of primer and solvent weld cement. Re-cutting the pipe and re-making the joint may be necessary if the initial bond failed.
Pipe will not fully insert into the socket
Check for obstructions inside the socket or on the pipe end. Ensure the pipe is cut square and de-burred. Re-priming and re-cementing may help.
Fitting appears brittle or cracked
This could indicate damage during storage or installation. Inspect the fitting carefully and replace if any damage is found before proceeding with installation.
Pros and Cons
Pros
- Ensures a secure and permanent connection for overflow systems.
- Durable ABS construction provides long-term reliability.
- Specifically designed for Wavin Osma solvent weld systems.
- White color offers a clean aesthetic for visible installations.
- Compatible with condensate fittings, ideal for modern heating systems.
Cons
- Requires specific solvent weld adhesive and primer for installation.
- Not suitable for non-solvent weld pipe systems.
- Limited to 21.5mm pipe size.
- Permanent joint means removal can be difficult without cutting the pipe.
Setup, Compatibility & Care
Setup:
- Ensure both the pipe ends and the inside of the fitting are clean and dry.
- Apply Wavin Osma primer to the pipe ends and the socket entry.
- Apply Wavin Osma solvent weld cement generously to the primed areas.
- Insert the pipe fully into the socket with a slight twisting motion.
- Hold the joint firmly for approximately 30 seconds to prevent movement while the solvent weld sets.
- Allow the joint to cure for the manufacturer-recommended time before putting the system under pressure.
Compatibility:
- This fitting is designed for use with 21.5mm Wavin Osma solvent weld pipe (PVC-U).
- Compatible with other Wavin Osma solvent weld condensate fittings.
- Requires Wavin Osma primer and solvent weld cement for installation.
Care:
- This is a permanent jointing system; no regular maintenance is typically required for the fitting itself.
- Ensure the connected system (e.g., boiler, cistern) is maintained according to its manufacturer's guidelines.
- Periodically check the connected pipework for any visible leaks or damage, although the solvent weld joint is very robust.