Product Announcements:
Cartridge Heaters

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 heat... Read more...

Hotwatt manufactures several miniature cartridge heater diameters starting at 1/8” with 5/32” and 3/16” options in low to medium watt densities up to 60 watts per square inch. Read more...

Cartridge Heaters: How they are made & Why they fail! Read more...

Designed for maximum: Watt density, temperature, heat transfer, and heater life. Maximum surface temperatures up to 1400°F. Basic designs are readily adaptable to a wide variety of applications, special requirements, sizes and ratings. Read more...

Hotwatt's most popular product is our cartridge heater. Made in USA and designed for maximum: Watt density, temperature, heat transfer, and heater life.
Maximum surface temperatures up to 1400°F.
Basic designs are readily adaptable to a wide variety of applications, special requirements, sizes and ratings. Read more...

The Miniature Circulation Heater is a packaged heater for heating small volumes
of liquids as in photographic developer solutions, chemicals, dyes, and inks. Read more...

Applications: Dies, Heat Sealing, Hot Melt Adhesive, Plastic Molding, Platens and Shoe Machinery. Elements are designed for maximum: Watt density, temperature, heat transfer, and heater life. Read more...