Speedfit 15mm Double Check Service Valve 15DCSV

The Speedfit 15mm Double Check Service Valve offers reliable fluid category 3 backflow protection with integrated isolation, ideal for preventing contamination in domestic and commercial plumbing systems. With a tool-free push-fit design, it allows for quick installation and demounting, saving time and labour. Compatible with copper and plastic pipe systems, this NON WRAS-compliant valve features a flame-free, secure Grip & Seal™ connection and is perfect for hot and cold water systems (excluding central heating).

Protect your water supply with the JG Speedfit 15mm Double Check Service Valve, designed for fluid category 3 installations where there is a moderate risk of backflow contamination. This high-performance valve ensures one-way water flow to stop contaminants from re-entering the mains supply, making it ideal for taps, washing machines, and outdoor bib taps.

With an integrated isolation feature and push-fit connection, the valve can be installed in seconds without tools, glue, or hot works—making it ideal for quick repairs or system upgrades. The Speedfit collet system with stainless steel teeth and an O-Ring seal ensures a watertight connection every time. Designed, manufactured and assembled in the UK, this compact valve suits tight installations and delivers consistent performance.

Features & Benefits
✅ Fluid Category 3 rated double check valve for backflow prevention
✅ Built-in isolation for emergency shut-off or maintenance
✅ Push-fit fitting allows fast, tool-free installation and demounting
✅ Grip & Seal™ collet system with stainless steel teeth and O-Ring seal
✅ Flame-free fitting with no need for glue, flux, or soldering
✅ Compatible with Speedfit PEX and polybutylene pipe (inserts required) and copper pipe
✅ For use in potable water systems
✅ Not suitable for central heating applications
✅ Designed and manufactured in the UK

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