Name: Colenzo White Horizontal 4 Column Radiator
Brand: Kartell
SKU: LK4400650
Price: 292.99 GBP
Availability: InStock

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Colenzo White Horizontal 4 Column Radiator

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Product InformationSpecification

Colenzo is a steel multi-column radiator with the classic look of a traditional column radiator and the speed and lightness of steel. Clean white blends into light walls so the radiator does its job without dominating the room.

Choose from 10 sizes with outputs from 3,136 to 10,894 BTU/hr at ΔT60, so you can match the radiator to the room. It is made from steel, pressure tested to 10 bar, and its large surface area makes it a good choice for bigger rooms. Radiator valves are sold separately.

Specification

Finish	White
Material	Steel
Orientation	Horizontal
Columns	4
Depth	138mm
Connections	1/2" BSP tappings
Pressure	Tested to 10 bar
Valves	Sold separately
Guarantee	5 year manufacturer guarantee

Sizes and heat outputs

Size (H x W)	Output BTU/hr (ΔT60)	Output watts (ΔT60)	Weight
400x650mm	3,136	919	21.05kg
400x830mm	4,032	1,182	26.55kg
400x1010mm	4,928	1,444	32.2kg
400x1190mm	5,824	1,707	38kg
600x650mm	4,690	1,375	29.3kg
600x830mm	6,030	1,767	37.2kg
600x1010mm	7,370	2,160	45.65kg
600x1190mm	8,710	2,553	53.6kg
750x830mm	7,542	2,210	45.3kg
750x1190mm	10,894	3,193	65.75kg

Outputs are quoted at ΔT60, the manufacturer's test standard. Many UK comparisons use ΔT50, which gives a lower figure (roughly a fifth less), so allow a little extra output when sizing for a modern low-temperature or heat pump system.

Frequently asked questions

How do I choose the right size?
Work out the heat your room needs with a BTU calculator (it depends on room size, windows and insulation), then pick a size whose output meets or slightly exceeds it. If you are running a lower flow temperature, allow extra.

Which valves do I need?
You will need a pair of 15mm radiator valves. For a matching look choose manual modern radiator valves in white or thermostatic control with the designer TRV twin pack in white. See all radiator valves.

Can it stand on the floor?
Yes, add the Colenzo column radiator feet to free-stand it.

Other finishes?
Also available in black.

Other versions?
The same design also comes as a vertical 2 column radiator, horizontal 2 column radiator, vertical 3 column radiator and horizontal 3 column radiator.

Specification

Type: Radiator
Panels: 4 Column
Heating type: Central Heating
Valve style: Angled or Straight
Connection size: 1/2" BSP
Guarantee: 5 year manufacturer guarantee

Help choosing

Size a radiator by heat output (BTU), not by how it looks on the wall.

How much heat does your room need?

Length (m) Width (m) Height (m) Room Windows Outside walls

Enter your room size to see the heat output you need.

Match the output to the room. Use the BTU figure from the calculator. In a bathroom, a towel rail alone often heats a small room; bigger rooms may need a radiator too.
Check your connections. Measure the gap between your pipes and choose valves to suit: angled, straight or corner (see the valve helper on our valve pages).
Heat pump? At the lower water temperatures heat pumps run at, expect roughly half the listed output.
Summer use. Central heating rails only warm up when the heating is on. A dual fuel kit adds an electric element where the rail supports it.

Still not sure? Send us your measurements and we'll check for you.

Questions people ask

What does BTU mean?

BTU (British Thermal Units) is the heat output. The higher the figure, the more heat it gives. Use the calculator under Help choosing to see what your room needs. Outputs are quoted at ΔT50.

How much heat do I need?

As a rough guide allow around 100W per square metre of floor in an average room, and more for older properties, high ceilings, large windows or north-facing rooms. Outputs are quoted at ΔT50.

Are valves included?

Radiators are supplied without valves unless the description says otherwise. Add a pair to suit your pipework.

Will it work with a heat pump?

Yes, but heat pumps run at lower water temperatures, so a radiator gives out roughly half its ΔT50 figure. Size up accordingly.

What are pipe centres?

The distance between the two connections. Measure between your pipes and compare it with the pipe centres, allowing for the valves.