JG Speedfit Reducing Coupling

Useful Information

What is a Speedfit Reducing Coupling Used For?

The John Guest Speedfit Reducing Coupling is a specialized fitting used for connecting two pieces of plastic or copper pipe of different diameters. This coupling is essential in plumbing systems where there is a need to transition smoothly between different pipe sizes, ensuring a secure and leak-proof connection. It is particularly useful in both hot and cold water systems, as well as in central heating systems. The reducing coupling's design allows for a simple, tool-free installation, making it a convenient and efficient choice for both professional plumbers and DIY enthusiasts. Its versatile compatibility with PEX, PB, and copper pipes, along with its demountable feature, adds to its practicality in various plumbing applications​​.

Key Features

  • Instant Push-Fit Connection: Allows for quick and easy pipe connections without the need for tools.
  • Simple Demounting: Equipped with a user-friendly twist-lock cap for effortless disassembly.
  • Flame-Free Installation: No need for soldering or adhesives, ensuring a safe installation process.
  • Grip & Seal Technology: Features a collet with stainless steel teeth and a main O-Ring seal for a secure fit.
  • Twist & Lock Security: Additional security and compression are provided by the cap.
  • Material Quality: Made from non-toxic materials that resist corrosion and prevent scale buildup.
  • Compatibility: Works with Speedfit PEX, polybutylene (with inserts), and copper pipes.
  • Versatile Applications: Suitable for hot and cold water systems, as well as central heating.

Specifications

  • Product Codes: PEM201510W, PEM202215W
  • Available Sizes: 15mm x 10mm & 22mm x 15mm
  • Maximum Operating Pressure: 12 Bar at 20°C and 6 Bar at 65°C
  • Temperature Range: 5°C to 95°C (short-term malfunction at 114°C)
  • Materials: Body - X-Linked Polyethylene, O-Ring - EPDM, Collet - Nylon, Teeth - Stainless Steel 301
  • Compatible Pipes: PEX, PB, and Copper
  • Demountable: Yes
  • Approvals: BSI and WRAS approved
  • Guarantee: 50 years when used with JG Speedfit Layflat PB and PEX Barrier Pipes

Working Temperatures & Pressures

Application Usual Working Temperature °C Max Working Temperature °C Max Working Pressure (bar)
Cold Water
(indirect & direct mains)
20 20 12.5
Central Heating 82 105, short term malfunction at 114 3
Hot Water
(including unvented cylinders)
65 95 6

Installation Instructions

  1. Preparation: Ensure the pipe ends are clean and cut squarely.
  2. Insertion: Push the pipe fully into the fitting until it reaches the tube stop.
  3. Locking: Twist the cap clockwise to lock the pipe in place.
  4. Demounting: To release, unlock the cap and push the collet towards the body, then pull the pipe out.

Downloads

John Guest Speedfit Tee 90 Datasheet

If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.

 

Grouped product items
CodeProduct NameList PriceYou SaveYou Pay Quantity
378220JG Speedfit Reducing Coupling 15mm x 10mm £10.39 44%
£5.82
378221JG Speedfit Reducing Coupling 22mm x 15mm £8.13 44%
£4.53