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JG Speedfit Brass Stopcock 15mm - 15Bsc

JG Speedfit Brass Stopcock 15mm - 15Bsc

John Guest Speedfit products blend push-fit and multi-seal technology for a reliable leak-proof co...

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Product Information

Full details

This guide is for anyone using the JG Speedfit Brass Stopcock 15mm (15Bsc), a push-fit stop valve designed for central heating systems. The primary benefit is its quick and easy installation, saving time and effort. However, it's crucial to remember that this valve is only suitable for central heating applications and not potable water systems.

All features

Model Part Number15Bsc
BrandJG Speedfit

Extended Product Information

FAQs

What is the maximum operating pressure?

The maximum operating pressure is 12 BAR at minimum temperatures and 3 BAR at maximum temperatures.

What is the operating temperature range?

The operating temperature range is -20°C to 105°C.

What types of pipe can I use with this stopcock?

You can use Speedfit PEX and polybutylene plastic pipe (with inserts) and copper pipe.

Do I need any tools to install this valve?

No, the push-fit design allows for installation without tools.

Is this valve suitable for potable water?

No, this valve is only suitable for central heating systems.

How do I demount the fitting?

Push the collet towards the body of the fitting and pull the pipe to release.

What is the warranty period?

The valve comes with a 50-year guarantee.

Where is this product manufactured?

This product is designed, manufactured, and assembled in the UK.

Troubleshooting

Valve leaks after installation.

Ensure the pipe is fully inserted and properly seated. Check for any damage to the pipe or valve. If using plastic pipe, verify that an insert has been used. If the leak persists, replace the fitting.

Difficulty connecting the pipe.

Ensure the pipe end is clean and free of burrs. Make sure you are using the correct pipe type. Apply a small amount of lubricant if necessary.

Valve is difficult to operate.

Check for any obstructions. Ensure the valve is not overtightened.

Low water flow after installation.

Check for any obstructions within the pipe or the valve itself. Ensure the valve is fully open.

Pros and Cons

Pros

  • Quick and easy installation, saving time and labor.
  • No need for tools or hot works, making it safe and convenient.
  • Durable DZR brass construction ensures longevity.
  • Compatible with a variety of pipe materials.
  • Easy to demount for adjustments or maintenance.
  • Suitable for use in confined spaces.

Cons

  • Only suitable for central heating systems.
  • Requires inserts for use with Speedfit plastic pipe.
  • Maximum operating pressure decreases with increasing temperature.
  • May require system draining for installation/removal.
  • Push-fit connections, while convenient, require proper insertion to ensure a secure seal.
  • Not suitable for potable water applications.

Setup, Compatibility & Care

Setup:

  1. Ensure the system is depressurized before beginning installation.
  2. Cut the pipe cleanly and squarely.
  3. If using plastic pipe, insert a Speedfit insert into the pipe end.
  4. Push the pipe firmly into the stopcock until it reaches the internal stop.
  5. Ensure the connection is secure by gently pulling on the pipe.

Compatibility:

  • Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required).
  • Compatible with copper pipe.
  • Suitable only for central heating systems.

Care:

  • Avoid excessive force during installation.
  • Regularly check for leaks, especially after installation or system maintenance.
  • Protect the valve from physical damage.

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