The Kartell K-Rad Kompact D906K is a Type 22 double panel, double convector radiator, 900 600 mm, giving 1470 W (5016 BTU/h) at T50. Two panels, each backed by its own bank of convector fins, fill a 105 mm case: 1470 W against 1129 W for a Type 21 the same size. Nett weight is 30.72 kg and it holds 4.56 litres of system water.
Type 22 double panel900 600 105 mm1470 W at T50EN 442 testedWhite enamel RAL 901610-year guarantee 5016 BTU/h Output at T50 1470 W 30.72 kg Nett weight holds 4.56 l EN 442 Tested and certified 10 years Manufacturer guarantee
Where it goes Wall-hung on a sealed or open-vented wet heating system, fixed no lower than 100 mm off the finished floor. At 900 mm high it needs a clear wall rather than an under-window gap. Typical job A room needing roughly 1470 W on a 70 C mean water temperature, or 1883 W where the system runs at 80 C. Straight swap for a tired 900 600 panel of the same size. Works with / replaces Pipe centres are 845 mm with a wall-to-centre of 82.5 or 97.5 mm, so it lines up with most existing 900 mm-high panels. Case depth is 105 mm against 70 mm for a Type 21 and 160 mm for a Type 33. When not to choose this The 1470 W figure is at T50. Run a heat pump at low flow temperatures and it falls hard Kartells own correction factor at T30 is 0.515, so you would get about 757 W from this radiator. Size at the T you will actually run, and step up to a Type 33 where the size allows, or split the load across two radiators.
| Brand | Kartell |
| Model | K-Rad Kompact D906K |
| Radiator type | Type 22 double panel, double convector |
| Heat output | |
| Output at T50 | 1470 W (5016 BTU/h) |
| Output at T60 | 1883 W (6426 BTU/h) |
| Size and weight | |
| Dimensions (H W D) | 900 600 105 mm |
| Centre distance | 845 mm |
| Wall to centre | 82.5 or 97.5 mm |
| Weight | 30.72 kg |
| Water content | 4.56 l |
| Build and rating | |
| Max working pressure | 10 bar |
| Max working temperature | 120 C |
| Finish | White enamel, RAL 9016 |
| Standard | EN 442 |
| Warranty | 10 years |
Fix no lower than 100 mm from the finished floor. Allow 35 mm from the wall to pipe centre for a manual valve, or 45 mm for a TRV. Kartell requires the system to be cleansed and dosed with inhibitor to BS 7593:2019 skipping it invalidates the guarantee, which covers product replacement only. Leave the protective packaging on until the radiator is fixed and the tappings are cut.
Tight on space? The Type 21 is 70 mm deep and gives 1129 W at T50 slimmer, but less heat. View Type 21 Other sizes Type 22 runs 300900 mm high and up to 3000 mm wide, from 420 W to 5504 W at T50. Browse radiators
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