Heating for tanks and vessels



Flanged Heaters to fit your requirements,
including different sizes, materials, and wattage.

Simple Installation

Simply bolt heater into a tank, pressure vessel, or in-line vessel.

High Heat Output

Flange design allows for multiple elements and high heat output with lower watt density.


Available in a variety of size and material combinations to meet your application needs.

Expert Assistance Available

Ask a Heatmax sales engineer about your project

We’ve been in business for almost 70 years, and our in-house experts are always available to assist with your next project.

Customizable Specifications

Heatmax Flanged Heaters are designed to fit your requirements, including various sizes, materials, and wattages.



Custom heaters can be supplied with voltages up to 600V

Wattage and watt densities

Custom made heaters can be designed with any requested wattage or watt density available

Flange size and ratings

Standard ANSI sizes as well as Metric flanges available. We can also engineer custom flanges to match your unique coupling

Flange materials

Available in various alloys including Steel, Stainless Steel, Titanium and other specialty alloys


Element length can be built to fit the space you are working with

Element sheath material

Standard sheath material include Copper, Stainless Steel, Titanium and Incoloy. Specialty alloys also available including Hastelloy, Incoloy 600, Monel, Alloy 20.

Element numbers

Element configurations of 1 to 36 available

Terminal boxes

NEMA 1, NEMA, and NEMA 4/7/9 available

Thermostat, Thermocouples and Thermowell

Can be added to your heater on request

Technical Drawings

Almost 70 Years

Heatmax History

When it comes to business management theory we’ve proudly gone against the grain, we’ve kept ourselves nimble and self-reliant in an industry full of race-to-the-bottom consolidation and outsourcing.

We take pride in the craftmanship that goes into our products and are committed to living up to the quality mark “made in the USA”. We treat our staff as well as we treat our customers. Proudly employ hard-working people of all backgrounds and support our local community. It’s just right.