The Fastwarm® 16mm x 16mm Straight Coupling is a 3-piece compression connector designed specifically for joining two lengths of 16mm pipework. This fitting is ideal for use as a repair or extension coupling within an underfloor heating system, offering a reliable, leak-free solution.
For example, if you’re extending an existing 16mm pipe run or need to replace a damaged section, this straight coupling offers a quick and secure connection without the need for specialist tools.
- Secure 3-piece design – Provides a tight mechanical seal for durable and leak-free connections
- Precision-engineered for 16mm pipe – Ideal for extending or repairing Fastwarm® 16mm underfloor heating pipework
- Made to EU standards – Manufactured from quality materials to ensure long-term performance and reliability
This compact and essential fitting ensures system integrity and simplifies maintenance or extensions to existing installations.
Delivery Options
2-3 working day delivery
Next working day
Next working day before 10:30
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 744479
Other Delivery Options
PRE-10:30AM 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 0800 023 4203 or 01268 744 479.
