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Immersion Heaters

Industrial immersion heaters are designed for direct contact heating of water, oils, viscous materials, solvents, process solutions, and gases for many industrial heat applications. And since all heat is generated within the liquid or process, virtually 100% energy efficiency is achieved. We provide a variety of immersion heater options for heating any fluid, including plain water, corrosive solutions, and highly viscous oils. Our immersion heaters can also be used for specialized applications such as high pressure and hazardous areas.

Flanged Immersion Heaters Flanged Immersion Heaters consist of hairpin bent tubular elements welded or brazed into a flange and provided with wiring boxes ..... →	Screw Plug Immersion Heaters Screw Plug Immersion Heaters are screwed directly through a threaded opening in a tank wall or through a matching pipe coupling or half coupling ..... →
Over-the-Side Immersion Heaters Over-the-Side Immersion Heaters are designed for installing in the top of a tank with the heated portion directly immersed along the side or at the bottom. This provides ..... →	Circulation Immersion Heaters Circulation heaters are packaged units designed to heat a flowing medium using inline or side-are pipng configurations. Complete units consist of built-in heating elements, a ..... →
Plating Immersion Heaters Flanged Immersion Heaters consist of hairpin bent tubular elements welded or brazed into a flange and provided with wiring boxes for electrical connections. Flange heaters are ..... →	Thermolator Immersion Heaters Proheat presents an easy-to-use, cross-reference for process heaters in the plastics industry. This is a complete listing of immersion ..... →
Watlow WATROD™ & FIREBAR® Screw Plug Immersion Heaters Watlow screw plug immersion heaters are ideal for direct immersion heating of liquids, including all types of oils and heat transfer solutions ..... →	Watlow Plate Flange Immersion Heaters Watlow plate flange immersion heaters are best for fluid heating applications requiring low to medium wattage requirements ..... →
Watlow FIREROD® Immersion Heaters FIREROD® water immersion heaters are ideal for replacing large screw-plug immersion heaters. Because of its compact size the product can be very versatile when designed into a heating system ..... →	Watlow WATROD™ & FIREBAR® ANSI Flange Immersion Heaters Watlow WATROD™ & FIREBAR® ANSI flange immersion heaters are agency-certified tubular heaters ideal for heating liquids, gases, tanks, and pressure vessels requiring higher kilowatts ..... →

Immersion Heater Resources

Product Showcase: Chromalox Immersion Heaters

Popular Chromalox immersion heaters include their flanged immersion heater, screw plug immersion heater, and over-the-side immersion heater.

How to Extend the Life of Your Immersion Heater

These six steps to extend the life of your immersion heater work best when put on a scheduled preventative maintenance program.

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.

Product Showcase: Watlow FIREBAR®

FIREBAR® heating elements provide added heating performance over standard round tubular heating elements, especially for immersion applications in petroleum-based liquids requiring high kilowatts.

[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 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.