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Use our BTU calculator to easily work out what size radiator you will need, by entering information about your room in our calculator.
Cornel Ideal Thermostatic Radiator Valve (TRV). Available in 6 finishes with a full 5-year guarantee.
The BTU rate of a radiator is how much heat the radiator will emit, and is there to help you decide if a radiator is the correct size for your room or not. It’s important to know how much heat your room needs in order for your system to work efficiently.