This valve allows the user to stop the flow of water to a fixture or zone in case of emergency or ...This valve allows the user to stop the flow of water to a fixture or zone in case of emergency or repair. John Guest Speedfit products blend push-fit and multi-seal technology for a reliable leak-proof connection. Simple to install and no tools are required when installing or demounting fittings, making it easy to manoeuvre in tight spaces or readjust joins. Speedfit's extensive choice of plastic, brass and chrome fittings, tap connectors, valves and flexi hoses gives you everything you need to complete the job in no time. By combining these products with plastic push-fit pipe, you can create a truly flexible plumbing and heating system. All products are accredited with the leading testing and approval organisations including WRAS and are suitable for use with plastic or copper pipe. Push-fit plastic fitting for the connection of plastic and copper pipe. The push-fit stop valve for the connection of plastic and copper pipe. A must for any dwelling. The valve allows the user to stop the flow of water to a fixture or zone in case of emergency or repair. Simply push the fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. Should the need arise to demount the connection unlock the nut and push the collet towards the body of the fitting and pull the pipe to release. The fitting ensures an easier working environment in confined places and removes the need for hot works on site. Suitable for hot and cold water services, NOT suitable for central heating systems. BS EN 7291 parts 1, 2, 3 and S, WRAS approved. Secure and easy demounting without the need for a tool. 50 year guarantee. Minimum operating temperature - 20 degC. Maximum operating temperature - 65 degC. Maximum operating pressure at minimum temperature - 12 BAR. Maximum operating pressure at maximum temperature - 3 BAR. JG Speedfit Stopcock 15mm in White Plastic. JG Speedfit stop valve allows the user to stop the flow of water to a fixture or zone in the event of an emergency or for repair work. Simply push the valve fully onto the pipe. To demount the push-fit end, pull the collet towards the body of the push-fit fitting and pull the pipe to release. The push-fit fitting is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works or tools. Designed, manufactured and assembled in the UK. Compact design is ideal for installing in areas where space is tight. Instant push-fit connection and screw down mains stop valve. Install and demount in seconds without tools. Safe flame-free installation, with no hot works, glue or flux. Grip & Seal collet with stainless steel teeth and main O-Ring seal. Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe. Suitable for hot and cold water (not suitable for central heating systems).
This guide is for homeowners and plumbers looking for a quick and reliable way to shut off water supply to specific fixtures. The JG Speedfit 15mm Stopcock offers a tool-free, push-fit connection for easy installation and demounting, even in tight spaces. Keep in mind that this stopcock is designed for hot and cold water services only and is NOT suitable for central heating systems.
All features
Model Part Number
15Stv/2
Brand
JG Speedfit
Extended Product Information
FAQs
What tools do I need to install the JG Speedfit Stopcock?
No tools are required for installation. The push-fit design allows for quick and easy connection.
Can I use this stopcock on central heating systems?
No, this stopcock is suitable for hot and cold water services only, not for central heating systems.
What is the maximum operating temperature?
The maximum operating temperature is 65°C.
What is the maximum operating pressure?
The maximum operating pressure is 12 BAR at the minimum temperature and 3 BAR at the maximum temperature.
What pipe types are compatible?
The stopcock is compatible with copper and plastic pipes, including Speedfit PEX and polybutylene (inserts required).
How do I demount the fitting?
Unlock the nut and push the collet towards the body of the fitting, then pull the pipe to release.
Is the JG Speedfit Stopcock WRAS approved?
Yes, it is WRAS approved.
What is the warranty period?
The JG Speedfit Stopcock comes with a 50-year guarantee.
Troubleshooting
The stopcock is leaking.
Ensure the pipe is fully inserted and the nut is properly tightened. Check for any damage to the pipe or stopcock. If the leak persists, replace the stopcock.
The connection is not secure.
Make sure the pipe end is clean and cut squarely. Push the pipe firmly into the fitting until it meets the internal stop. Tighten the nut securely.
Difficulty demounting the fitting.
Unlock the nut. Push the collet towards the body of the fitting, and then pull the pipe to release. Ensure no debris is blocking the collet.
Pros and Cons
Pros
Easy and quick installation, saving time and effort.
No need for hot works or tools, increasing safety and convenience.
Suitable for a wide range of applications in both plastic and copper pipe systems.
Compact design allows for installation in tight spaces.
Reliable and leak-proof connections.
Backed by a 50-year guarantee.
Cons
Not suitable for central heating systems.
Requires inserts when used with Speedfit PEX and polybutylene plastic pipe.
Maximum operating pressure varies with temperature.
Specific temperature and pressure limits must be adhered to.
Setup, Compatibility & Care
Setup
Prepare the Pipe: Ensure the pipe end is clean and cut squarely. If using plastic pipe, ensure it is deburred.
Insert the Pipe: Push the pipe fully into the stopcock until it meets the internal stop.
Lock in Place: Twist the plastic nut clockwise to secure the connection.
Compatibility
Pipe Types: Compatible with both plastic and copper pipes.
Plastic Pipe: Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required).
Water Type: Suitable for hot and cold water services.
NOT for Central Heating: The stopcock is NOT suitable for use with central heating systems.
Care
Inspection: Periodically inspect the stopcock for leaks or any signs of damage.
Temperature & Pressure: Ensure the operating temperature and pressure remain within the specified limits.
Demounting: To demount, unlock the nut and push the collet towards the body of the fitting, then pull the pipe to release.