Connect differing pipe sizes securely within your supply lines using the John Guest MDPE compression reducing coupling, supplied in a 32mm x 20mm size. It joins two lengths of MDPE pipe of different diameters to enable a smooth size transition across a cold water system.

Manufactured with a compact and durable construction, this coupling is ideal for system modifications or extensions in confined spaces. Arriving pre-assembled, it offers a fast, installation-ready solution without requiring heat or specialist tools.

The fully demountable connection ensures easy adjustments and repairs when working below ground.

• 32mm x 20mm reducer – connects two MDPE pipes of differing diameters
• Size transition – smoothly step down pipe sizes in cold water systems
• Pre-assembled design – ready for immediate fitting without specialist tools
• Compact construction – durable build ideal for confined trench spaces
• Demountable joint – straightforward to disconnect during maintenance
• Available in various sizes – including 25mm x 20mm and 32mm x 25mm

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.