Best Plumbing Supplies — John Guest (2026)
3 plumbing supplies matching brand “John Guest”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Plumbing Tape UK guide.
#1 Pick
John Guest Speedfit Equal Elbow 15mm (PEM0315W) Push-Fit Plumbing Fitting- Plastic
£9.09
Pros
- Quick, secure 90° bend without tools, glue, flux or hot works
- Works with hot and cold water and central heating pipe runs
- Demountable and reusable if a pipe run needs altering
Cons
- Push-fit joints cost more per fitting than solvent weld equivalents
£17.95
Pros
- Caps off pipework instantly without tools, glue or hot works
- Demountable and reusable if the system needs extending later
- Works with both hot and cold push-fit pipe runs
Cons
- Only suits Speedfit-compatible push-fit pipework
#3 Pick
John Guest Speedfit JG Pipe Cutter - Cuts up to 22mm Plastic Speedfit Pipe- Plastic Pipe
£39.52
Pros
- Cuts push-fit plastic pipe up to 22mm cleanly and squarely
- Compact ratchet action needs little hand strength
- Essential companion tool for Speedfit push-fit plumbing jobs
Cons
- Only suited to plastic pipe, not copper
At a glance
- Products
- 3
- Price range
- £9.09–£39.52
- Average price
- £22.19
- Average rating
- 4.60 / 5
- Total reviews
- 1,600
- Price tier split
- Budget2Mid-range1Premium0
- In stock
- 3
John Guest offers a comprehensive range of compression fittings and connectors designed for use in water systems – ideal for both professional plumbers and enthusiastic DIY enthusiasts. Their products are renowned for their quality, reliability, and ease of use, particularly within micro-hydraulic applications. These fittings are crafted from durable brass and nickel-plated zinc to resist corrosion and ensure long-lasting performance.
This selection showcases John Guest’s core offerings: a diverse range of push-fit compression fittings, tubing connectors, and specialist components catering to various plumbing needs. From small-bore connections for irrigation systems to larger diameter fittings for domestic water supplies, you’ll find the right solution here. The quick connection design simplifies installation, reducing time and effort while maintaining a secure seal.
John Guest fittings are compatible with a wide array of tubing materials including PEX, polyethylene, and silicone. Remember to always consult relevant building regulations and ensure correct fitting selection for your specific application. This range is built on decades of experience in creating reliable plumbing solutions that stand the test of time.
FAQ
What materials are John Guest compression fittings made from?
John Guest compression fittings primarily consist of durable brass bodies and nickel-plated zinc for corrosion resistance. Specific tubing connection components might utilise differing materials depending on the application.
Are John Guest fittings suitable for potable water systems?
Yes, many John Guest compression fittings are approved for use in potable (drinking) water systems when used with compatible tubing and adhering to local regulations. Always verify compatibility before installation.
What size range of tubing does this collection cover?
This selection includes fittings ranging from 1/8" to 1/2" internal diameter, suitable for a variety of micro-hydraulic and general plumbing applications. Refer to the product details for precise dimensions.
How do I ensure a leak-proof seal with John Guest fittings?
Proper installation is key. Ensure the tubing is cut cleanly, the compression ring is correctly seated, and the fitting is tightened securely according to the manufacturer’s instructions. Avoid over-tightening.
Can I use these fittings with PEX tubing?
Yes, John Guest offers a range of fittings specifically designed for use with PEX tubing, providing a secure and reliable connection. Ensure you select the correct fitting type compatible with PEX.
What tools do I need to install John Guest fittings?
You’ll typically need a compression ring tool (also known as a ‘monkey wrench’) to seat the compression ring correctly. A tubing cutter and appropriate pliers may also be required.
Are these fittings suitable for outdoor use?
While many John Guest fittings are suitable for general plumbing, consider using corrosion-resistant materials like nickel-plated zinc when exposed to harsh outdoor conditions. Consult product specifications for details.
How do I clean and maintain my John Guest fittings?
Regularly inspect your fittings for signs of wear or corrosion. Clean them with a mild detergent and water if necessary, ensuring they are completely dry before reassembling.
Where can I find more detailed installation instructions?
Detailed installation guides and technical specifications for each fitting type are available on the John Guest website [link to manufacturer's site - Placeholder] along with product datasheets.
What is the lifespan of a typical John Guest compression fitting?
With proper installation and maintenance, John Guest fittings can provide reliable service for many years. Regular inspections are recommended to identify potential issues early on and extend their operational life.