

Benefits
Vertical contemporary design
The Vertex Slim is the ultimate design radiator for anyone preferring a sleek and masterly design. The completely uniform front and flush black side panels and upper grille give the radiator an unparalleled aura. Its excellent finish adds extra class to your home, even if the space is limited.
Why opt for a Stelrad Vertex Slim radiator?
- Vertical radiator
- Decorative
- Thin, smooth front with recessed panels
- Available in colour
3D Animation
Discover the Stelrad Vertex Slim here in 3D
Click and hold the left mouse button, then drag to rotate the radiator. Scroll to zoom in or out.
Image gallery
Image gallery
Choose your colour
Choose your colour
Warmth is essential for creating a cosy home. As is an interior that you feel good in. With Stelrad you can now opt for colourful warmth.
The above colour palette can be further expanded with a multitude of RAL colours. The colours depicted are indicative only.
Accessories
Accessories
Towel bar Slim

Chrome magnetic towel rail 
Top grille Slim

Design connection set straight piping with left valve

Design connection set angle piping with left valve

Technical details
Technical details
The Vertex Slim is the ultimate design radiator for anyone preferring a sleek and masterly design.
The completely uniform front and recessed black side panels and upper grille give the radiator an unparalleled aura. Its excellent bi-colour finish adds extra class to your home, even if the space is limited.
Height | Type 11 | Type 21 | Type 22 | |
---|---|---|---|---|
(mm) | ||||
1840 | W | 2.133 | 3.060 | 3.690 |
kg | 63 | 96 | 105,3 | |
l | 8,1 | 15,9 | 15,9 | |
m² | 9,86 | 13,58 | 29,9 | |
n | 1,3010 | 1,3041 | 1,3250 | |
2040 | W | 2.298 | 3.270 | 3.960 |
kg | 69,6 | 106,2 | 116,4 | |
l | 9 | 17,7 | 17,7 | |
m² | 12,15 | 16,2 | 37,74 | |
n | 1,2969 | 1,3006 | 1,3277 |
Calculation Factor per meter length radiator at 75/65/20 °C in accordance with EN442
Characteristic equation: ф = KM x ΔTn
Height (mm) | 1840 | 2040 | |||||
---|---|---|---|---|---|---|---|
Type | 11 | 21 | 22 | 11 | 21 | 22 | |
470 | 853 | 1.224 | 1.476 | 919 | 1.308 | 1.584 | |
570 | 1.067 | 1.530 | 1.845 | 1.149 | 1.635 | 1.980 | |
670 | 1.280 | 1.836 | 2.214 | 1.379 | 1.962 | 2.376 |
Download the Heat calculator
Download the Correction Factors
Connection possibilities Vertex Slim
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Installation
TYPE 11 | TYPE 21 | TYPE 22 |
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TYPE 11-22 | |
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Drillholes for the brackets
H (mm) | T11 | T20-22 | ||||
H2 | H3 | H4 | H2 | H3 | H4 | |
1840 | 160 | 830 | 1500 | 70 | 840 | 1610 |
2040 | 160 | 930 | 1700 | 70 | 940 | 1810 |
Distance between the centre of the radiator and the bracket
L (mm) | T11 | T20-22 |
B | B | |
470 | 80 | 110 |
570 | 130 | 160 |
670 | 180 | 210 |
Centre distances
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L | LH |
Centre distance | |
470 | 344 |
570 | 444 |
670 | 544 |