Kartell K-Rad Type 33 Triple Panel Triple Convector Radiator 750mm x 1200mm
The Kartell K-Rad Kompact T712K is a Type 33 triple panel, triple convector radiator, 750 × 1200 mm, giving 3581 W (12218 BTU/h) at ΔT50. Three panels and three banks of convector fins in a 160 mm case: 3581 W against 2490 W for a Type 22 the same size — the highest output per width Kartell make. Nett weight is 70.56 kg and it holds 11.76 litres of system water. Type 33 triple panel750 × 1200 × 160 mm3581 W at ΔT50EN 442 testedWhite enamel RAL 901610-year guarantee 12218 BTU/h Output at ΔT50 — 3581 W 70.56 kg Nett weight — holds 11.76 l EN 442 Tested and certified 10 years Manufacturer guarantee Applications & suitability 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 750 mm high it needs a clear wall rather than an under-window gap. Typical job A room needing roughly 3581 W on a 70 °C mean water temperature, or 4590 W where the system runs at 80 °C. The pick where a slimmer panel the same width cannot reach the load. Works with / replaces Pipe centres are 695 mm with a wall-to-centre of 82.5 or 97.5 mm, so it lines up with most existing 750 mm-high panels. Case depth is 160 mm against 105 mm for a Type 22 — check the projection suits the room. When not to choose this The 3581 W figure is at ΔT50. Run a heat pump at low flow temperatures and it falls hard — Kartell’s own correction factor at ΔT30 is 0.515, so you would get about 1844 W from this radiator. This is already the deepest, highest-output panel in the range at this size — if it still falls short, go wider or split the load across two radiators. Key specifications Brand Kartell Model K-Rad Kompact T712K Radiator type Type 33 — triple panel, triple convector Heat output Output at ΔT50 3581 W (12218 BTU/h) Output at ΔT60 4590 W (15661 BTU/h) Size and weight Dimensions (H × W × D) 750 × 1200 × 160 mm Centre distance 695 mm Wall to centre 82.5 or 97.5 mm Weight 70.56 kg Water content 11.76 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 Installation & compatibilityFix 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.Related & next steps Slimmer option? The Type 22 at the same 750 × 1200 mm gives 2490 W at ΔT50, in a 105 mm case. View Type 22 Other sizes Type 33 runs 400–750 mm high in widths up to 2000 mm, from 1006 W to 5028 W at ΔT50. Browse radiators