This 25A modular contactor provides a safe and effective way to switch electric heating loads when demand exceeds the 16A capacity of a Fastwarm® thermostat. Designed for domestic, commercial, or industrial use, it acts as a control interface between low-power commands and high-load circuits—ensuring consistent and reliable performance for underfloor heating and more.
- 25A switching capacity supports loads up to 5750W.
- Ideal when heating load exceeds 16A thermostat limit, offering safe circuit switching.
- Perfect for electric underfloor heating in both residential and light commercial spaces.
- Panel or DIN rail mountable for straightforward installation in control systems.
UL Certified and built to last, this contactor gives you confidence when managing higher heating demands. A simple solution for safe switching and long-term performance.
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.
