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Watlow Heaters

​Proheat is an authorized distributor of Watlow electric heaters, including band heaters, cartridge heaters, tubular heaters, flexible heaters, and more. Watlow heaters can be configured to address a variety of unique applications.
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Watlow Heaters Catalog

Watlow Air Heaters Watlow has developed a line of process air heaters that offer performance and versatility in medium to low temperature applications ..... →	Watlow Cartridge & Insertion Heaters Watlow's cartridge and insertion heaters can be inserted into holes, used as immersion heaters placed directly in liquid or in protective ..... →
Watlow Tubular Heaters Single- and double-ended Watlow tubular heaters lend themselves to virtually the entire range of immersion and air heating applications ..... →	Watlow Flexible Heaters Flexible heaters from Watlow are thin, bendable, and shaped to fit almost any type of equipment ..... →
Watlow Immersion Heaters Watlow's immersion heaters are designed primarily for direct immersion in liquids such as water, oils, solvents and process solutions, molten ..... →	Watlow Circulation Heaters Watlow's circulation heaters are compact heating systems for fluids and gases ..... →
Watlow Fluid Delivery Heaters Watlow's innovative fluid delivery heaters produce consistent results by reducing temperature and viscosity variations ..... →	Watlow High-Temperature Heaters Watlow leads the industry in developing high-temperature heating technologies and products in various sizes and constructions to fit a broad range ..... →
Watlow Strip Heaters Watlow's strip/clamp-on heaters are a versatile solution for a number of applications ..... →	Watlow Nozzle Heaters Watlow offers a full line of hot runner nozzle heaters for the plastics industry as well as slip-on heaters for the medical and analytical industries ..... →
Watlow RAYMAX® Panel Heaters Watlow's RAYMAX® panel heaters are ideal for process heating requiring "hot-face" temperatures above 1000 F° ..... →	Watlow Mineral Insulated (MI) Band Heaters The MI band heater from Watlow® is a high-performance heater ..... →

From the Blog

Today's Top 5 Industrial Heater Manufacturers

With companies like Watlow, Chromalox, OMEGA, Tempco, and Dalton behind the electric heater industry, manufacturing businesses have a wonderful advantage in today's fast-paced world.

Product Showcase: Watlow RAYMAX® Panel Heaters

​The RAYMAX® radiant panel heaters from Watlow serve a wide range of needs, from contamination-resistant surfaces to fast responding high-temperature panels.

Watlow: From St. Louis to Shanghai

​Watlow has been revolutionizing the electric heating industry since its inception in 1922. Now with factories and technology centers in the US, Mexico, Europe, and Asia, what was once a small shop has become an unyielding international giant.

Video: A Day in the Life of Watlow Products

From our transportation to the food we eat to our very health, Watlow heater products help to maintain so many aspects of what we do every day.

Product Showcase: Watlow FIREBAR®

The Watlow FIREBAR® heater greatly improves upon traditional round tubular heating elements.

Product Showcase: Watlow FIREROD®

In 1954, Watlow's FIREROD® cartridge heater was patented with the ability to provide ​superior heat transfer, uniform temperatures, and resistance to oxidation and corrosion throughout demanding high-temperature applications.

Product Showcase: Watlow MI Band Heaters

The capabilities of Watlow heaters cater to a large variety of unique applications, but we wanted to focus on a particular heater: the MI ("mineral insulated") Band Heater.

Preseason Heater Maintenance Checklist

Before cold season get here, make sure to review our preseason heater maintenance checklist to make sure your heater elements continue to function properly.

10 Tips On Maximizing Heater Performance

Most people do not give much thought to the heaters operating within their processes and applications until those heaters fail, required significant maintenance, or cause other problems. Here are 10 ways to maximize a heater’s service life and performance.

Which Band Heater Should I Use?

​Knowing which band heater to use in order to maximize your efficiency can be difficult. Heater life, start up time, process temperatures, durability, size, and cost all play an important role.