Cartridge heater FAQ's

November 18, 2019

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Cartridge heaters are a popular solution used to heat endless applications.


What are cartridge heaters? Cartridge heaters consist of a heated wire packed with inorganic powder and packed tightly into a metal tube. Also known as immersion heaters, there are many options and available sizes. Access our download page by completing the form to the right and read more on cartridge heaters and frequently asked questions including:


  • What are cartridge heaters
  • How cartridge heaters are made
  • Get the most efficient heat transfer and long life
  • Available cartridge heater options
  • Can cartridge heaters be used in liquids as immersion heaters
  • What are some of the termination options offered on cartridge heaters


Backer Hotwatt manufactures both spec and custom cartridge heaters for industrial, medical, commercial, packaging, instrumentation, aviation, transportation, and refrigeration & air conditioning.



Cartridge Heaters product page


Have questions? We are here to help. Call us at (978) 777-0070 or email us at [email protected].


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