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The PRIMA CLASSIC Compression Adaptor is designed for professional plumbers and serious DIY enthusiasts who require a robust, reliable connection for water or gas piping systems. Its primary benefit is the combination of high-quality trade brass construction and full WRAS approval, ensuring long-term durability and safety for drinking water systems. However, users should note that as a rigid compression fitting, it requires precise pipe preparation and proper tightening technique to ensure a leak-free seal on large-diameter 35mm piping.
| Model Part Number | 35mm x 1 1/4 Female |
|---|---|
| Brand | PRIMA CLASSIC |
Yes, this product is fully WRAS approved, making it safe and compliant for use in drinking water systems.
Yes, the PRIMA CLASSIC compression adaptor is designed for use in both water and gas system installations.
This fitting is manufactured to the EN 1254 standard for plumbing components.
No, this is a compression fitting. It relies on the mechanical compression of an olive to create a seal and requires no heat or soldering.
You will need a pipe cutter suitable for 35mm pipe, a file or deburring tool, and a large adjustable wrench to tighten the compression nuts.
Ensure the pipe end is square and burr-free, then tighten the compression nut by an additional quarter turn.
Check the pipe for dents or deformities; ensure the compression nut and olive are fully backed off before insertion.
Verify that the mating thread is 1 1/4 inch BSP and use appropriate thread sealant or PTFE tape if required for your specific application.
To install, ensure the 35mm pipe is cut perfectly square and is free from burrs or scratches, as surface irregularities can compromise the compression seal. Slide the nut and olive onto the pipe before inserting the pipe fully into the fitting body. Tighten the nut by hand until finger-tight, then use a suitable large-capacity wrench to apply the final turns required to compress the olive securely. Avoid overtightening, which can distort the fitting. For maintenance, periodically inspect the joint for signs of moisture or corrosion; however, once correctly installed, these brass fittings are largely maintenance-free. Always ensure that the threaded end is compatible with the 1 1/4 inch female requirement of your specific system components.
