John Guest Stop End - 25mm

This 25mm compression stop end provides a strong and dependable method for terminating MDPE pipe r...

Best current price£8.50from Debenhams

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DebenhamsJohn Guest Unisex Blue Mdpe Compression Stop End - 20Mm In
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B&QB&Q - Mdpe Compression Stop End20mm
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AmazonJohn Guest Blue Mdpe Compression Stop End 20Mm Pipe Fitting, Wras Approved End Cap For Water Pipe, Underground Plumbing
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Product Information

Full details

This guide is for plumbers and DIY enthusiasts working with underground water systems. The John Guest 25mm Compression Stop End provides a robust and reliable solution for permanently terminating MDPE pipe runs, ensuring long-term leak protection. While it offers excellent durability, proper installation is crucial to prevent issues.

All features

Model Part Number25MM
BrandJohn Guest

Extended Product Information

FAQs

What type of pipe is this stop end for?

This stop end is specifically designed for 25mm MDPE (Medium Density Polyethylene) pipes, commonly used in underground water systems.

Can this be used for hot water systems?

No, this fitting is intended for cold water applications, particularly in underground systems.

How many stop ends are in a pack?

The product is supplied in a convenient pack containing 20 stop ends.

What is the primary benefit of using a stop end?

A stop end provides a permanent and secure termination for a pipe run, preventing water flow and ensuring leak protection.

Do I need any special tools?

Yes, you will need appropriate wrenches to tighten the compression nut securely onto the pipe.

How do I ensure a leak-proof seal?

Ensure the pipe is cut square, clean, and fully inserted into the fitting before tightening the compression nut firmly. Using a pipe insert can also aid in creating a secure seal.

Troubleshooting

Leak at the connection point

Ensure the pipe is cut square, clean, and fully inserted into the fitting. Check that the compression nut is tightened sufficiently. Inspect the pipe for any damage or scoring that could prevent a proper seal.

Difficulty inserting pipe

Verify that you are using the correct size pipe (25mm MDPE). Ensure the pipe end is not deformed and is free of debris. A slight chamfer on the pipe end can sometimes help with insertion.

Fitting feels loose after tightening

The pipe may not have been fully inserted before tightening. Loosen the nut, re-insert the pipe fully, and retighten. If the pipe is damaged, it may need to be cut back and a new section used.

Pros and Cons

Pros

  • Provides a secure and permanent seal for MDPE pipes.
  • Designed for durability in underground water systems.
  • Ensures reliable, long-term leak protection.
  • Convenient pack of 20 for project efficiency.

Cons

  • Requires specific tools for compression fitting installation.
  • Not suitable for above-ground or non-water applications.
  • MDPE pipe must be clean and properly prepared for a secure fit.

Setup, Compatibility & Care

Setup:

  1. Ensure the 25mm MDPE pipe is cut square and clean.
  2. Unscrew the compression nut and slide it over the pipe.
  3. Place the brass or plastic insert (if applicable for your pipe type) fully into the pipe end.
  4. Push the pipe firmly into the body of the stop end.
  5. Slide the compression nut down to the body and tighten it securely using appropriate wrenches. Hand-tighten first, then use wrenches for a firm, secure fit, ensuring not to overtighten.

Compatibility:

  • Compatible with 25mm MDPE (Medium Density Polyethylene) pipe.
  • Primarily designed for underground cold water systems.

Care:

  • These fittings are designed for permanent installation and require no ongoing maintenance once properly installed.
  • Always use in accordance with local plumbing regulations and best practices.

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