Circulation Heaters

Warren Electric Circulation Heaters are designed and manufactured in a wide range of models, ratings, and watt densities for many applications. Circulation Heaters consist of either a flanged or screw plug heater which is mated to a casing with inlet, outlet, vent, & drain options to meet your specifications.

The packaged system with a Warren Electric Circulation Heater is designed to supply the right amount of energy to heat the process fluid to the desired temperature, for a given flow rate. Circulation heaters with brazed or welded construction, center core baffles for increased velocities available.

Circulation Heater Specifications
Available in Flanged and Screw Plug Designs
Inlet/Outlet: FNPT coupling (std.), MNPT thd. pipe, ANSI flanged, consult factory for other options
Insulation: up to 2” Calcium Silicate (std.) with steel jacket. Also available without insulation or other insulation types


Chemical processing, industrial water heating, oil and gas industry, food and beverage processing, and more.

Get exactly what you need

Know that you need an electric process heater but not sure what to order? We're here to help. We can design and build a custom heater specific to your needs. Begin the process by answering some common questions.

Know the specifics? Configure your model number

You can configure your model number if you know what to select in the fields below. Once you have selected all variables, you will have a model number used to request an estimate. We will be in touch to confirm the model configured is right for your needs. Go to our model numbering system for an explanation of the details below.

We will be in touch soon to confirm the model configured is right for your needs.
Custom flange shapes and sizes are available, include requests in the "Additional Information" box.
Metric sizes are available upon request.
Custom options are available for any specification above. Request a custom heater.