CSN® cartridge radiator type 93W

The cartridge heater for direct heating of heating oil and other media in DIN tanks with fluctuating liquid levels.


Our angled cartridge radiators offer a power range from 1 to 7 kW to meet the needs of different applications. With the ability to customise the lengths of the vertical (unheated) and horizontal (heated) legs depending on your power requirements, they adapt perfectly to your configuration. Mounted from the top of the tank, they offer efficient heat output and maximum flexibility for your heating requirements.

Product benefits

  • Use with fluctuating fluid levels
  • Long service life with optimised design
  • Variable lengths of the legs
  • Available in resistant materials

Technical data


Heating oil, diesel, alkaline solutions, mineral oil, ADBlue, water


1 to 7 kW


120 to 690 V

Installation position

Vertical from above

Horizontal and vertical immersion tube length:

1000 to 2900 mm

Material (immersion tube and flange)

Steel; 1.4404 (AISI 316L); 1.4541 (AISI 321); 1.4571 (AISI 316 Ti)

Protection class

IP 65

Flange standard

DIN EN 1092-1, DN 50 and DN 80, PN 6 and PN 16

Immersion tube diameter

52 mm (> 525 V 60.3 mm)

Temperature monitoring

with ATHf-1 controller fitted

with mounted limiter ATHf-70

with mounted controller and limiter combination ATHf-170

with mounted controller and limiter combination ATHf-SW270

Customised versions on request

Your contact persons

Your request

Contact Details