The Fastwarm M Profile Press Reducing Coupling provides a reliable, flame-free solution for connecting copper pipes of different sizes. Its robust copper construction and high-quality EPDM seal ensure a secure, leak-free joint that professionals can trust.
Designed for both new installations and retrofits in plumbing and heating systems, this reducing coupling allows seamless transitions between pipe diameters without compromising performance. The press-fit design eliminates the need for soldering, saving time while improving safety and reliability.
Key Benefits & Features
- Connects differing pipe diameters easily — ideal for size transitions
- Heavy-duty copper construction for long-lasting durability
- Wide size range available to suit diverse applications
- Maintains electrical continuity across the joint
- Flame-free press fitting — no soldering required
- WRAS & DVGW approved for full compliance and peace of mind
- Pressure rated to 16 bar and suitable for temperatures from -24°C to 110°C
- Perfect for retrofits and branching where pipe size changes are needed
Choose the Fastwarm Reducing Coupling for a professional-grade solution that delivers secure, efficient connections with minimal fuss—perfect for modern plumbing and heating systems.
| CODE | SIZE | D1 | D2 | L1 | L2 | A |
|---|---|---|---|---|---|---|
| FW-KM107-S2215 | 22x15 | 22 | 15 | 21 | 20 | 46.5 |
| FW-KM107-S2815 | 28x15 | 28 | 15 | 23 | 20 | 53 |
| FW-KM107-S2822 | 28x22 | 28 | 22 | 23 | 21 | 50.5 |
| FW-KM107-S3515 | 35x15 | 35 | 15 | 26 | 20 | 60.5 |
| FW-KM107-S3522 | 35x22 | 35 | 22 | 26 | 21 | 57 |
| FW-KM107-S3528 | 35x28 | 35 | 28 | 26 | 23 | 56 |
| FW-KM107-S4222 | 42x22 | 42 | 22 | 30 | 21 | 65 |
| FW-KM107-S4228 | 42x28 | 42 | 28 | 30 | 23 | 63.5 |
| FW-KM107-S4235 | 42x35 | 42 | 35 | 30 | 26 | 63 |
| FW-KM107-S5428 | 54x28 | 54 | 28 | 35 | 23 | 75.5 |
| FW-KM107-S5435 | 54x35 | 54 | 35 | 35 | 26 | 74.5 |
| FW-KM107-S5442 | 54x42 | 54 | 42 | 35 | 30 | 75 |
Delivery Options
2-3 working day delivery
Next working day
Next working day AM delivery
Saturday Delivery
Delivery cut off times
Our daily cut-off time for dispatch is 4:30pm Monday–Thursday and 4:00pm on Fridays. Orders placed before the cut-off time will be dispatched for next working day delivery (if this option is selected). Orders placed after 4:00pm on Friday will be dispatched on Monday for Tuesday delivery.
Bank holidays may affect these delivery times, so please contact our team if unsure on 01268 744 479
Other Delivery Options
Next working day AM delivery and Saturday Delivery services are available, but orders must be placed before the relevant cut-off times.
NOTE: All orders placed on a Friday will be delivered on the following Monday (unless its a bank holiday), unless a Saturday Delivery service is selected and paid for before the 4:00pm Friday cut-off.
Delivery outside the UK
Delivery outside mainland UK may be arranged by prior agreement. You will be advised of the delivery charge before dispatch, at which point you can decide whether you wish to proceed with your order.
Important: Our deliveries rely on third party couriers, so, whilst we make every effort to deliver your order on the specified date and time, unfortunately there may be occasions when this will not be possible due to external influences. Due to this we strongly recommend you ensure you have received your order before any tradespeople/builders are scheduled to commence work.
Still Unsure? Talk to an expert
If you need any guidance or further information our highly experienced team are on hand to help.
Get in touch using our contact form or give us a call on 01268 744 479.