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

Your room will require approximately
0 BTU's/hour

Rathmell 6 Column

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

460mm height, 0 sections - Valve Position: Bottom Bottom Opposite Ends (BBOE) in Primer only

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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The Rathmell cast iron 6 column radiator.

Comes with a lifetime guarantee.

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* per section

TBK076/077 460 220 300 105 240 63 280 82 351 103 5.8KG
TBK078/079 810 230 640 120 260 63 509 149 650 190 10.93KG
Code Compatible Wall Stays
HAN103 HAN205 HAN206 LD055 LD056 LD104
TBK076/077 No No No Yes Yes No
TBK078/079 No No No Yes Yes No


MADE IN UK BY Carron cast iron radiators



Available Heights

Quality Assurances

The Rathmell 6 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 240mm deep and 460mm tall. This radiator weighs 5.8kg per section

Fitting Information

For safe installation we recommend purchasing wall stays with your radiator. All wall stays on our website are compatible with this model.

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.

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