Radiator Type KDO - ThermalTrend

Type KD is currently on most of our resellers stock.

Steel ladder radiator KDO is the traditional curved type of radiator and is one of the best-selling radiators on the market. KDO is available in variants with 20mm or 22mm tubes and also in ECO variant with fewer tubes. Type KDO is one of the most successful Thermal Trend products, which has been manufactured for 25 years thanks to its original advanced technology.

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Heat output Q [W] for the water heat carrier according to DIN EN 442

Type	Height H [mm]	Width W [mm]	Connecting pitch [mm]	t₁/t₂[°C]	Q[W] t_j [20 °C]	Temperature exponent n	Water capacity	Recommended input for combined heating [W]	Recommended input for electric heating [W]
Type	Height H [mm]	Width W [mm]	Connecting pitch [mm]	t₁/t₂[°C]		Temperature exponent n	Water capacity	Recommended input for combined heating [W]	Recommended input for electric heating [W]
KDO 450 / 720	720	450	408	90/70	450	12 347	3,6	200	300
KDO 600 / 720	720	600	558	90/70	604	12 507	4,35	300	300
KDO 750 / 720	720	750	708	90/70	759	12 666	5,1	300	300
KDO 450 / 960	960	450	408	90/70	562	12 564	4,53	300	300
KDO 600 / 960	960	600	558	90/70	752	12 607	5,51	300	400
KDO 750 / 960	960	750	708	90/70	943	12 651	6,49	400	500
KDO 450 / 1320	1320	450	408	90/70	752	12 908	6	400	500
KDO 600 / 1320	1320	600	558	90/70	1003	12 767	7,35	500	600
KDO 750 / 1320	1320	750	708	90/70	1253	12 626	8,7	600	700
KDO 450 / 1680	1680	450	408	90/70	956	12 781	7,6	500	600
KDO 600 / 1680	1680	600	558	90/70	1277	1 273	9,3	600	800
KDO 750 / 1680	1680	750	708	90/70	1599	12 678	11	700	900
KDO 450 / 1840	1840	450	408	90/70	1090	13 063	8,7	500	700
KDO 600 / 1840	1840	600	558	90/70	1452	12 853	10,7	700	900
KDO 750 / 1840	1840	750	708	90/70	1812	12 643	12,7	900	1000

Power output conversion coefficients for different types of connections:

One side connection – see the tab for fx = 1
Diagonal connection – see the tab for fx = 1,011
Down to up connection – see the tab for fx = 0,959
Central connection from the bottom (50 mm) fx = 0,89

Types of connection

Electric connection

This steel ladder radiator is electric compatible and can be equipped with an electric rod with a temperature limiter set to 85°C, which protects the device against overheating. Radiators are factory pre-filled with an antifreeze mixture with a freezing point of -5 ° C.

You can choose from more types of thermostats to further set up the heating temperature, more about

ELECTRIC DEVICE here