Product Information

The power used in buildings makes up 40% of global consumption, which has a huge affect on the environment. Using smart energy management we can change this so buildings emit up to 60% less CO2. This is being driven by the European Union who are increasing energy consumption standards.

At Stelrad, we believe the heating market has a huge role to play, by investing in new systems which work more efficiently to produce increased heat at reduced temperatures. And that’s why the Stelrad Radical has been developed.

The Radical produces more radiant heat than a traditional radiator, it saves energy whilst increasing comfort levels in a room which means it costs less as you need less heat over time, this also benefits the environment. That’s Radical thinking, from Stelrad.

Every radiator comes wrapped in robust, practical packaging that will keep the product pristine, right through to handover. Protective through storage and transit, the new packaging design also allows for installation prior to removal.

Strictly controlled independent laboratory testing ensures that all Stelrad radiators are guaranteed to perform to a maximum working pressure of 116 psi (8 bar), and conform to BS EN 442, the European Standard for radiators.

Product Ranges

Stelrad combines the most sophisticated production resources in Europe with substantial investment in testing and verification of performance data, which has helped us create high output radiators delivering heating performance that exceed expectation.

We also want to exceed expectations when it comes to customer service, and our experts are on hand to support and understand your technical specification needs.

To contact our team of specialists, call +44 (0) 844 543 6200 and then option 4.

Please see our full Warranty Statement here

Radical: 132 Models

Heights 300mm to 600mm
Lengths 400mm to 2000mm
Outputs 333 to 3234 watts
1136 to 11034 Btu/hr
Types K1 & K2


Stelrad radiators are available in white (RAL 9016) as standard, however the specific radiators identified are now available in a variety of colours. The colours shown are reproduced as accurately as this process will allow and can be made to order on the identified products.

  • RAL 9016


Product Downloads

  • Radical Range & Technical Specification Brochure
    2 MB