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| Manufacturer Warranty | 5 Years (T&C’s Apply) |
|---|---|
| Orientation | Horizontal Orientation |
| Colour | Black |
| Height | 600 mm |
| Width | 830 mm |
| Heat Output Watts | 1540 |
| Heat Output BTU | 5256 |
| Radiator Pipe Centres (mm) (Plus Valves) | approx. 830 |
| Radiator Projection (mm) | 130-140 |
| Radiator Wall To Pipe Centres (mm) | 30-40 |
| Manufacturer | Kartell |
| Manufacturer Part No | BLK3600830 |
The bedroom floors of Victorian and Edwardian terraces were built around radiators exactly like this: 830mm wide, waist height, standing proud of the skirting on a chimney-breast alcove wall. Eighteen three-column sections generate 5,256 BTU (1,540W) at Delta T60 - honest cast-iron-era output from a mild steel body light enough for modern stud walls, in a matt black that flatters original floorboards and painted panelling alike.
Kartell laser-welds each section, powder coats the body in RAL 9004 and pressure tests to 10 bar. The 100mm three-column depth plus 30-40mm bracket stand-off still projects less than a chest of drawers. Five year guarantee, brackets and fixings included; valves sold separately.
Range photography is for illustration - the number of sections varies with the size ordered. This listing is the 600 x 830mm 3 column model with 18 sections. Dimension drawing included in the gallery.
Start with the room, not the radiator: output should match the space's heat loss.
| Output at Delta T60 (Kartell published) | 5,256 BTU / 1,540W |
|---|---|
| Output at Delta T50 (calculated, EN442 factor) | approx. 4,147 BTU / 1,215W |
| Typical room coverage | roughly 9-13 square metres in an average UK home |
Coverage is a guide only - insulation, glazing area and ceiling height change the sums. Use a BTU calculator with your room dimensions before ordering, and size up slightly for north-facing or draughty rooms.
| Range | Kartell K-Rad Laser Klassic |
|---|---|
| Type | 3 column radiator (horizontal) |
| Height x Width | 600 x 830mm |
| Column depth | 100mm (allow 130-140mm wall to front face) |
| Sections | 18 |
| Heat output (Delta T60) | 5,256 BTU / 1,540W |
| Heat output (Delta T50, calculated) | approx. 4,147 BTU / 1,215W |
| Finish | Matt black RAL 9004 powder coat over mild steel |
| Material | Laser-welded mild steel |
| Tapping centres | approx. 830mm - valves at bottom opposite ends |
| Weight (empty) | 28.5kg |
| Pressure tested | 10 bar |
| Guarantee | 5 years (register with Kartell UK) |
| In the box | Radiator, wall brackets, fixing kit, instructions |
| Valves | Not included - sold separately |
Fitting follows standard UK two-pipe practice and holds no surprises for an installer.
Valves are not included. You need a pair: one wheelhead or thermostatic (TRV) valve plus one lockshield. Angled valves suit pipework rising from the floor; straight valves suit wall-fed pipe runs.
See our radiator valves range - the Kartell TRV and lockshield twin packs pair perfectly.
Orders are picked from live UK stock. Radiators are palletised or double-boxed and checked before dispatch - please inspect on arrival and note any transit damage with the driver.
