Primaflow QQM Isolation Valve - 15mm - Angle
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DebenhamsMcalpine Unisex Silver Qqm Iso Valve Ang 15Mm Cp In
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B&QB&Q - Qqm 15mm Angle Isolation Valve Push-Fit Brass 1/2"496877Wras Approved
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Product Information
Full details
The Primaflow QQM Angle Isolation Valve is an essential component for plumbers and DIY enthusiasts needing to control water flow in residential or commercial plumbing systems. It is best suited for installations where space is at a premium, offering the key benefit of quick, tool-free installation thanks to its efficient push-fit design, though users should ensure they are working with standard 15mm piping for a secure, leak-free connection.
All features
| Model Part Number | 496877 |
|---|---|
| Brand | Primaflow |
Extended Product Information
FAQs
Is this valve suitable for central heating systems?
Yes, the Primaflow QQM is designed for general plumbing and is compatible with standard water supply systems.
Do I need any specialized tools to fit this?
No, it is a push-fit design, though a pipe cutter is recommended for creating a perfectly square end on the pipe.
What does WRAS approved mean?
It means the product has been tested to meet the Water Regulations Advisory Scheme standards, confirming it is safe for drinking water.
Can this be used on plastic pipe?
Most push-fit valves are compatible with standard plastic piping, but you should use a pipe insert to maintain the pipe's shape inside the fitting.
Can the valve be removed once installed?
Yes, most push-fit valves can be released by depressing the collet ring, though this may require a specific removal tool.
Troubleshooting
The connection is leaking after installation
Remove the valve and check the pipe end for scratches or burrs. Ensure the pipe is fully inserted past the O-ring.
The valve is stiff or difficult to turn
Mineral deposits may have built up. Gently turn the valve back and forth to loosen debris, or check if the valve has been overtightened during initial mounting.
Pros and Cons
Pros
- Tool-free installation saves significant time
- WRAS approved for guaranteed compliance
- Space-saving design for confined cabinets
- Reliable shut-off functionality
Cons
- Limited to 15mm piping diameters
- Push-fit connections may require extra care on existing pitted copper pipes
- Requires specific pipe cutters to ensure a clean end for the seal
Setup, Compatibility & Care
To install, ensure your pipe end is cut square and is free from burrs or sharp edges that could damage the internal O-ring seal of the push-fit connector. Simply push the valve firmly onto the pipe until you feel it seat completely. For maintenance, it is recommended to turn the valve fully on and off once or twice a year to prevent mineral build-up, which can lead to stiffness in the mechanism. Ensure the pipe is properly supported if the valve is located in a high-vibration area to maintain the integrity of the push-fit seal.