The BTU (British Thermal Unit) calculator can be used to work out how much radiator power you need. Numerous factors can affect this, such as types of window and room dimensions.

BTU's Required

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0 BTU's/hour

Duchess 4 Column

To calculate the British Thermal Units (BTU's) required to heat your room please use our Heat Output (BTU) Calculator

330mm height, 0 sections - Valve Position: Bottom Bottom Opposite Ends (BBOE) - primer base coat with Vellum top coat

Your radiator will be delivered in parts & require assembly on site.

The required radiator assembly tool is in your basket.

A radiator assembly tool can be hired from Renaissance At Home and can be returned for a full refund (less postage costs).

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An American style radiator, simple in design & fresh in appearance. Boasting a slow curving top, rounded columns & wide body this stunning modern classic that will make a difference in any home.  See also our Duchess 2 column radiator.

Comes with a lifetime guarantee.

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Duchess 4 column radiator measurements

* per section

TBK124/125 330 310 205 70 75 286 84 357 105 8.3KG
Code Compatible Wall Stays
HAN103 HAN205 HAN206 LD055 LD056 LD104
TBK124/125 No No No No No No


MADE IN UK BY Carron cast iron radiators



Available Heights

Duchess 4 column cast iron radiator heights

Quality Assurances

The Duchess 4 Column comes in a range of vibrant paint finishes that complement the decor in any room. Your radiator will be built to the highest standards by members of the Guild of Master Craftsmen and comes with a European quality assurance accreditation.

Since all our radiators are manufactured by Carron, you can be assured that you are getting the best price and each one comes with a LIFETIME GUARANTEE.

Specification Information

This radiator is available 310mm deep and 330mm tall and is delivered in one piece. Each empty section weighs 8.3kg.

The Daisy Wheel 15mm Inlet Manual Valve in Antuique Brass is recommended when this radiator is painted in buttermilk.

Fitting Information

All measurements shown on our website are approximate and should not be used for installing pipework prior to receiving your radiator(s). Due to seal compression radiator widths can vary slightly.

This radiator does not require wall stays.

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