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 4 Column

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

665mm 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).

Click To Add
Add To Basket

Back in stock soon

The Rathmell cast iron 4 column radiator.

Comes with a lifetime guarantee.

Added To Basket

Please wait...
Please wait...


Rathmell cast iron radiator measurements

* per section

TBK072/073 460 160 300 110 180 63 201 59 252 74 4.2KG
TBK067/068 665 150 498 112 170 63 289 85 366 107 5.7KG
TBK074/075 810 150 640 115 180 62 350 102 443 130 7.35KG
Code Compatible Wall Stays
HAN103 HAN205 HAN206 LD055 LD056 LD104
TBK072/073 No No No Yes Yes No
TBK067/068 No No No Yes Yes No
TBK074/075 No No No Yes Yes No


MADE IN UK BY Carron cast iron radiators



Available Heights

Rathmell cast iron radiator sections in various colours

Quality Assurances

The Rathmell 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 170mm deep and 665mm tall and is delivered in one piece. This radiator weighs 5.7kg 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.

Related Radiator Accessories

Kingsgrove thermostatic radiator valve - chrome

Kingsgrove 15mm Inlet Thermostatic Valve (Chrome)

More Details
Crocus wheel thermostatic radiator valve - chrome

Crocus Wheel 15mm Inlet Thermostatic Valve (Chrome)

More Details
Chrome square plate wall stay

Galvanised Square Plate Wall Stay

More Details

TrustPilot review score