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The Prima Classic Compression Stop End is designed for plumbing professionals and serious DIY enthusiasts who need a reliable, permanent, or temporary seal for 15mm copper piping. Its primary benefit is a secure, leak-proof termination without the need for soldering or specialized heat tools, making it an essential component for isolating pipe runs. The main caveat is that, like all compression fittings, it requires precise pipe preparation and proper tightening technique to ensure a watertight seal without deforming the olive.
| Model Part Number | 1270198 |
|---|---|
| Brand | Prima Classic |
Yes, Prima Classic compression fittings are designed for use in both water and gas systems.
Generally, no. Compression olives are designed to create a metal-to-metal seal. However, some professionals apply a small amount of jointing compound to the threads if desired.
While the brass fitting body can be reused, it is highly recommended to replace the compression olive every time the fitting is disassembled to ensure a proper seal.
These fittings are primarily designed for rigid copper pipe. If using plastic pipe, you must ensure the correct pipe insert is used to prevent the pipe from collapsing.
These fittings are rated for standard domestic plumbing pressures as per the EN 1254 standard requirements.
No, you only need two appropriately sized adjustable wrenches to complete the installation.
Ensure the pipe is cut perfectly square and the olive is seated correctly. Tighten the nut slightly more, ensuring you hold the body of the fitting still with a second wrench.
Check that the threads are not cross-threaded. Unscrew, realign, and ensure the olive is sitting flush against the stop end body.
Check for burrs on the pipe end using a deburring tool or a file. Ensure the pipe is not deformed or oval-shaped from the cutting process.
To install, ensure the 15mm copper pipe end is clean and cut square using a pipe cutter. Slide the nut and the compression olive onto the pipe. Insert the pipe fully into the stop end body. Tighten the nut by hand until finger-tight, then use two adjustable wrenches—one to hold the body of the fitting steady and one to tighten the nut. Aim for roughly three-quarters of a turn beyond finger-tight. Avoid overtightening, as this can crush the olive or damage the brass threads. For care, keep the threads clear of debris during installation and inspect for weeping immediately after pressurizing the system.
