Choose your language.
Choose from 6 languages. Welcome to Stelrad radiators.
Beautiful radiators for modern living.

België
Nederland
Deutschland
UK
Poland

Belgique
France
Österreich
Ireland
Russia
Other Countries
España
Danmark
 Choose your language

Benefits

Horizontal decorative radiator with a timeless design

The age of radiators being hidden came to a definite end with the arrival of the Planar Slim ECO. You’ll actually want to highlight this radiator. The bi-colour design with a completely smooth front and flush black upper grille and side panels gives the radiator an unrivalled look. Its high-quality finish offers you an attractive and warm radiator for years on end. Use it in combination with the Vertex Slim to create a light and spacious feel throughout your home.

Why opt for a Stelrad Planar Slim ECO radiator?

  • Horizontal radiator
  • Decorative, unique design
  • Thin, smooth front with recessed panels
  • Available in colour

3D Animation

Discover the Stelrad Planar Slim ECO here in 3D

››› Planar Slim ECO

Click and hold the left mouse button, then drag to rotate the radiator. Scroll to zoom in or out.


 

How does the ECO technology work?

• Why opt for the ECO radiator?

• The benefit of radiant heat

• ECO radiator: serial flow

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.

colourprodpagen

Accessories

Accessories

Permanent air vent ECO – S-Vent DUO™
Permanent air vent ECO - S-Vent DUO™

Mounting key for permanent air vent
Mounting key for permanent air vent

Valve opener with venting hose for T2150
Valve opener with venting hose for T2150

Towel bar – Slim ECO
Towel bar Slim H

Towel bar – Chrome (also order T1165)
Towel bar chrome

Chrome magnetic towel rail T116604-T116607

Renovation kit ECO
Renovatieset ECO

Stelrad thermostatic head
Thermostatic head Stelrad

Double connection fitting – Straight, without drain-off facility
Connection fitting straight without drain-off

Double connection fitting – Straight, with drain-off facility
Connection fitting straight with drain-off

Double connection fitting – Angled, without drain-off facility
Connection fitting angled without drain-off

Double connection fitting – Angled, with drain-off facility
Connection fitting angled with drain-off

Drain nipple
Drain nipple

Technical details

Technical details

The age of radiators being hidden came to a definite end with the arrival of the Planar Slim ECO. You’ll actually want to highlight this radiator. The bi-colour design with a completely smooth front and flush black upper grille and side panels gives the radiator an unrivalled look. Its high-quality finish offers you an attractive and warm radiator for years on end. Use it in combination with the Vertex Slim to create a light and spacious feel throughout your home.


  • Product:
decorative horizontal low-temperature valve radiator with serial flow technology, both a centre and lateral bottom connection and a pre-set valve insert, which can be fitted on the left or right side of the radiator
  • Finishing:
completely smooth design with a jointless front and flush black upper grill and side panels
  • Pre-installed:
pre-set Heimeier 4368 or 4369 valve insert, ECO air vent and blind plugs
  • Valve insert:
The integrated adjustable valve insert is factory-fit on the right side of the radiator, CEN certified, tested in accordance with EN215 and compatible with thermostatic heads M30 x 1,5mm. The valve insert can also be fitted on the left of the ECO radiator.
The thermostatic valve insert is factory-set in relation to the size of the radiator. This pre-setting ensures optimum throughput in the radiator. Factory setting for two-pipe systems, also suitable for one-pipe systems (as long as the valve insert is adjusted to position 8).
  • Also supplied:
design thermostatic head, valve insert spindle extension, wall brackets, screws, plugs and installation instructions
  • Connections:
 x ¾” male Eurocone centre connection and 2 x ½” female lateral bottom connection
  • Lugs:
2 pairs of mounting lugs up to 1.600 mm and 3 pairs from 1.800 mm
  • Types:
21 | 22
  • Heights:
545 | 645 mm
  • Lengths:
1.070 | 1.270 | 1.470 | 1.670 | 1.870 | 2.070 mm
  • Depths:
96 | 119 mm
  • Download:
button1 (Custom)

Height Type 21Type 22
(mm)
545W1.0241.304
kg29,3132,73
l5,85,83
4,316,33
n1,29661,2908
645W1.1841.498
kg34,838,8
l6,806,90
5,247,74
n1,30691,2999

Calculation Factor per meter length radiator at 75/65/20 °C in accordance with EN442
Characteristic equation: ф = KM x ΔTn

Height
(mm)
545  645 
Type21222122
10701.0241.3041.1841.498
12701.2291.5651.4211.798
14701.4341.8261.6582.097
16701.6382.0861.8942.397
18701.8432.3472.1312.696
20702.0482.6082.3682.996

Download the Heat calculator
Download the Correction Factors

Connection possibilities

TYPE 21-22

 

Important notice: The green ECO air vent is essential for the proper working of the radiator and cannot be replaced by a traditional air vent as the radiator will keep on heating.

Length 1070-1670 Length 1870-2070
TYPE 21-22

Installation

TYPE 21 (SHORT) TYPE 21 (LONG) TYPE 22 (SHORT) TYPE 22 (LONG)

Connection dimensions


TYPE 21-22
L = Length of the radiator