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The Primaflow Primapack Stopcock 15mm is an essential plumbing component designed for homeowners and professional installers looking to manage water flow within standard 15mm pipe systems. Its primary benefit is providing a reliable, secure shut-off point for maintenance or emergency repairs; however, users should note that as a mechanical brass valve, it requires proper compression fitting techniques to ensure a leak-free seal on rigid copper or plastic pipework.
| Model Part Number | Primapack |
|---|---|
| Brand | Primaflow |
Yes, but you must use a pipe insert inside the plastic pipe to ensure the compression fitting maintains its shape and seal.
The valve is designed to function effectively in any orientation, provided there is enough clearance to turn the handle.
The Primapack unit is typically supplied as the valve body; verify the contents of your specific packaging as local kits may vary.
It is designed for water supply lines; consult your local building regulations if planning to use it within a closed-loop heating circuit.
If the leak is originating from the handle spindle, the internal packing gland may have failed and the unit should be replaced.
Ensure the pipe is cut square and the olive is seated correctly; tighten the nut by another quarter turn.
Do not use excessive force; apply a light lubricant suitable for plumbing or operate the valve back and forth gently to break up potential mineral deposits.
To install, ensure the 15mm pipe is cut square and deburred to prevent damage to the internal seals. Slide the nut and olive onto the pipe, insert the pipe into the stopcock port, and tighten firmly with a wrench. It is compatible with copper and plastic pipe, though you should use a pipe insert when utilizing plastic piping. For care, it is recommended to operate the handle fully open and closed at least once every six months to prevent mineral build-up, especially in hard water regions. Always ensure the system is depressurized before attempting to loosen or replace the valve.
