CSN® tank heater type THF

Our flexible CSN® tank heater heats heating oil and diesel fuel tanks efficiently. With an integrated temperature regulator and limiter as well as the required control system, it is the perfect solution for safe industrial heating.


Our electric flexible CSN® industrial immersion heater is specially designed for the efficient heating of heating oil and diesel fuel tanks. With a flexible chain suspension, it enables uncomplicated installation and customisation. Equipped with an integrated temperature controller and limiter, it ensures precise and safe heating. As an option, we offer the required control unit to further optimise operation.

Product advantages

  • Universal, flexible immersion depths
  • Flanged design for standard dome lids
  • Robust, industrial design
  • High efficiency
  • Individually configurable design possible - power / voltage / materials
  • Integrated temperature control / limitation

Technical data




50 to 15,000 W


12 to 480 V

Tubular heating element diameter

8.5 mm

Materials Tubular heating elements

1.4404 (AISI 316L); 1.4876 (Incoloy 800); 2.4858 (Incoloy 825)

Installation length

300 to 15,000 mm

Installation position

Vertical from above

Article number Type Power
Minimum immersion depth
Cable gland
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THF / 3 3000 230 250 1 x M20
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THF / 5 5000 400 310 2 x M20
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THF / 7 7000 400 370 2 x M20

Individual variants available on request.

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