Flanged Immersion Heaters

Warren manufactures Flanged Immersion Heaters utilizing standard ANSI flanges ranging from 2” to 24”, 150 PSIG to 1500 PSIG, and a wide variety of custom round and rectangular flanges to suit your application requirements.

A wide selection of watt densities, power ratings, and element sheath materials make flanged immersion heaters an excellent choice for many heating applications.

Flanged Immersion Heater Specifications
Watts: up to 800 Kilowatts
Volts / Phase: up to 600 Volts, Single or 3 Phase
Flange Size: Standard to 14” ANSI, consult factory for larger sizes
Pressure Rating: Standard ANSI to 150 PSIG, consult factory for other ratings
Immersion Length: up to 120” standard, consult factory for longer lengths


Heating large tanks and vessels, industrial water heating, oil and petrochemical heating, wax heating (requires drywell), process heating in chemical industries, 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.