Immersion Heaters

Our high performance immersion heaters come in screw plug, flanged, and over-the-side designs. These heaters (sometimes called an “immersion heater for water”) are placed directly into liquids, such as water, oils, solvents, processing solutions, salts and gases.

Screw plug immersion heaters screw right into tank openings for gas, air and liquid heating. With these designs, tubular elements are connected to the screw plug. The compact profile of our screw plug immersion models can attach easily to tank interiors. In flanged designs, tubular elements are welded into a flange and inserted through the side of the pressure vessel. A range of screw plug and flange sizes are available.

In contrast, over-the-side equipment is not inserted into a tank wall. Each of these industrial heaters is multipurpose equipment built for reliable, directly immersed heating.

Electric Immersion Heater with Temperature Control

The flanged immersion heater is a primary type of electric heater used for higher kilowatt applications. It effectively heats liquids and gases inside of tanks and pressure vessels. Flanged heaters, including those in boilers, are rated for 2000 kilowatts or more.

Commonly used flanged heaters often heat water and oil. Depending upon the application, models vary by kilowatt rating, terminal type and sheaths. Precise temperature controls and monitoring features are available.

screw plug immersion heaters

Screw Plug Immersion Heater

  • These heaters are ideal for direct immersion heating of liquids, including all types of oils and heat transfer solutions.

Flanged Immersion Heater

  • These heaters have a simple installation process and are not difficult to maintain. Their design makes them ideal for heating gases and liquids in tanks and assorted pressure vessels, they are excellent for applications requiring higher kilowatts.
over the side immersion heater

Over the Side Immersion Heater

  • These heaters are ideal for applications such as heating water, heating oils, solvents, salts and acids. The versatile applications of Over-the-side heaters are enhanced with various optional sheath materials, specific kilowatt ratings, terminal enclosures and varying mounting methods specific to your needs.
Immersion heaters for water
Tubular Heater Group

Heaters for Water Applications

These types of heaters may be referred to as through-the-side or over-the-side models. These heaters are often designed for over-the-side use. They also heat oils, solvents, and acids evenly and effectively.

Over-the-side replacements are easily done since there is no tank penetration during installation. Hi-Watt has superior heaters for water applications with the best sheath and heating element construction. Find desired kilowatt ratings, terminal enclosures and mounting methods today.

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