Transition smoothly between underground and internal pipework with this John Guest MDPE compression conversion adaptor, supplied in a 25mm x 22mm size. It is engineered to connect MDPE pipes directly to copper, polybutylene, or PEX materials in cold water systems.

Integrated push-fit technology ensures a secure, heat-free connection without the need for specialist tools. The compact and durable design comes pre-assembled, allowing for rapid, installation-ready setup on busy jobsites.

Fully demountable, the fitting makes working in trenches or tight below-ground spaces simple when maintaining or altering an existing system.

• 25mm x 22mm adaptor – transitions from MDPE to internal plumbing pipes
• Multi-material compatibility – connects securely to copper, PEX, and polybutylene
• Push-fit technology – quick, heat-free installation without specialist tools
• Pre-assembled design – ready to install straight out of the package
• Demountable joint – easy to disconnect and inspect during ground maintenance
• Available in various sizes – including 20mm x 15mm and 25mm x 15mm

Delivery (UK mainland only)

 

Next Day: £5, or FREE over £40

- Order by 9pm Mon-Thu: next working day

- Order Fri to 5pm Sun: Monday

- Order after 5pm Sun: Tuesday

 

Pre-12pm: £10

- Same cut-offs as Next Day above

 

Saturday & Sunday: £10, or £5 over £40, or FREE over £75

- Saturday: order by 6pm Fri

- Sunday: order by 4pm Sat

 

Heavy items (over 30kg)

- Mon-Fri only. Order by 6pm and allow up to two working days

- Order after 6pm Thu: arrives after the weekend

 

Supplier items

- Sent directly by the supplier, so timings vary. Lead times appear on the product page in working days (Mon-Fri)

 

More about delivery 

Next Business Day Collection (eligible items)

- Order by 9pm Mon-Thu: collect next day

- Order after 9pm Thu to 5pm Sun: collect Monday

- Heavy items (over 30kg): allow up to two working days

 

Opening hours

- Weekdays vary by branch: open 6:30am-7am, close 6pm-8pm

- Saturday: 7am-6pm

- Sunday: 9am-4pm

 

Check your local store's hours and that it's open before visiting. Please wait for our text or email before collecting.

 

Holding your order
We'll hold it for 14 days, then automatically refund your original payment method.