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Benefits

Horizontal decorative radiator with a flat front

The Planar ECO radiator unites design with our serial flow technology (water flows first through the front panel) and is perfectly suited for heating systems that work with low operating temperatures. This ECO technology results in high energy efficiency, maximum radiation, faster heating rate and less waste of energy. The combination of this technology with the flat front, a design upper grille and side panels allows you to enjoy our green heat technology with style and luxury.

Why opt for a Stelrad Planar ECO radiator?

  • ECO technology inside
  • Decorative design
  • Flat front
  • Available in colour

3D Animation

Discover the Stelrad Planar ECO here in 3D

››› Planar 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.

Colours EN

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 – chrome
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 Planar ECO radiator unites design with our serial flow technology (water flows first through the front panel) and is perfectly suited for heating systems that work with low operating temperatures. This ECO technology results in high energy efficiency, maximum radiation, faster heating rate and less waste of energy. The combination of this technology with the flat front, a design upper grille and side panels allows you to enjoy our green heat technology with style and luxury.


  • Product:
decorative Stelrad ECO valve radiator ideally suited for low-temperatures heating system and equipped with our serial flow technology, both a centre and lateral bottom connection, a preset valve insert (which can be fitted on the left or right side of the radiator) and with a decorative flat front
  • Finishing:
decorative flat front, upper grille and side panels
  • Pre-installed:
preset Heimeier 4368 or 4369 valve insert, ECO air vent and blind plugs
  • Valve insert:
The integrated adjustable valve insert (without thermostatic head) is factory-fit on the right side of the radiator, CEN certified, tested in accordance with EN215 and compatible with thermostatic heads M30 x 1,5 mm. The valve insert can also be fitted on the left side of the radiator.
The thermostatic valve insert is factory-set in relation to the size of the radiator.
This presetting 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:
VDI brackets (type Monclac), screws, plugs and  assembly instructions
  • Connections:
2 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
  • Packaging:
Every radiator is sturdily packaged in high-quality cardboard and wrapped in plastic. The radiator’s characteristics are shown on the label: type – height – length.
  • Warranty:
10 years, as long as the installation instructions have been followed and Stelrad’s warranty conditions have been met.
  • Paint process:
All radiators are degreased, phosphated, cataphoretically primed and powder-coated in Stelrad white 9016 as standard.
  • Colours:
Stelrad white 9016 + 35 different Stelrad colours and about 200 RAL-colours are possible
  • Max. operating pressure:
10 bar (tested at 13 bar)
  • Max. operating temperature:
110 °C
  • Conformity:
in accordance with EN442
  • Types:
11 | 21 | 22 | 33
  • Heights:
300 | 400 | 500 | 600 | 700 | 900 mm
  • Lengths:
400 – 3.000 mm
  • Depths:
63 | 79 | 102 | 160 mm
  • Download:
button1 (Custom)

Height Type 11Type 21Type 22Type 33
(mm)
300W4697058871259
kg11,8816,6318,8526,45
l1,893,292,94,35
2,092,443,515,26
n1,30131,27561,27361,3118
400W62688611171587
kg16,1321,9524,9535,12
l2,344,113,885,82
2,953,374,927,38
n1,29141,27561,28021,3231
500W774105313331893
kg20,3927,2831,0543,78
l2,84,934,877,28
3,84,316,339,49
n1,28151,3011,28741,3478
600W911120815372180
kg24,6532,637,1552,45
l3,255,755,858,75
4,665,247,7411,61
n1,27161,29771,29351,3456
700W1038135317322452
kg28,9137,8542,8261,13
l3,776,636,7310,19
5,516,189,1513,72
n1,27821,29441,29961,3434
900W1260161620962952
kg37,4348,3554,1578,5
l4,88,48,513,06
7,228,0511,9717,96
n1,29141,28791,31181,3391

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

Height300    400   
Type1121223311212233
400188282355504250354447635
500235353444630313443559794
600281423532755376532670952
7003284946218814386207821111
80037556471010075017098941270
900422635798113356379710051428
1000469705887125962688611171587
120056384610641511751106313401904
140065798712421763876124015642222
16001128141920141002141817872539
18001269159722661127159520112857
20001410177425181252177222343174
2200155119512770194924573491
2400169221293022212626813809
260023062904
280024843128
300026613351
Height500600
Type1121223311212233
400310421533757364483615872
5003875276679474566047691090
60046463280011365477259221308
700542737933132563884610761526
8006198421066151472996612301744
90069794812001704820108713831962
1000774105313331893911120815372180
12009291264160022721093145018442616
140010841474186626501275169121523052
160012381685213330291458193324593488
180013931895239934071640217427673924
200015482106266637861822241630744360
220017032317293341652004265833814796
240018582527319945432186289936895232
260034663996
280037324304
300039994611
Height700900
Type1121223311212233
4004155416939815046468381181
500519677866122663080810481476
6006238121039147175697012581771
70072794712121716882113114672066
8008301082138619621008129316772362
9009341218155922071134145418862657
100010381353173224521260161620962952
120012461624207829421512193925153542
140014531894242534331764226229344133
160016612165277139232016258633544723
180018682435311844142268290937735314
200020762706346449042520323241925904

Download the Heat calculator
Download the Correction Factors

Connection possibilities

LEFT RIGHT
TYPE 21-33

 

TYPE 11

 

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 400-1600 Length 1800-3000
TYPE 21-33

TYPE 11

Installation

TYPE 11 TYPE 21 TYPE 22 TYPE 33

Connection dimensions

LEFT RIGHT

TYPE 21-33

TYPE 11
L = Length of the radiator