• Duct Heater
    LDH & D SERIES
    DUCT HEATERS by Watlow
    INSTALLATION FLEXIBILITY - No flues or fuel lines
    UL® and CSA COMPONENT RECOGNITION
  • Watlow Duct Heater
    DUCT HEATERS by WATLOW
    100% ENERGY EFFICIENT
    SHEATHED COIL PROTECTED FROM CORROSIVE ENVIRONMENTS
    QUICKER RESPONSE TIME - REDUCED INFILTRATION FROM AIR STREAM

Complimentary assessment of damaged components: Complete evaluation of damaged parts, estimates for repair or replacement and recommendations for performance improvements.

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Custom Solutions

Decreased design time and improved efficiency

Support Specialists

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Process Heating Solutions


2" to 48" flanges provide appropriate heater size-to-application and fit while integral thermowells provide convenient temperature sensor insertion and replacement without draining the heated fluid. Thermal Solutions process heaters are easy to install and maintain.

Thermal Solutions provides a variety of element sheath and screw plug materials to meet your applications.Heating elements are hairpin bent and welded or brazed into the screw plug. Optional thermostats provide convenient process temperature regulation to the screw plug immersion heater.

Circulation heaters provide a ready-made means to install electric heating with a minimal amount of time and labor. This is accomplished by combining heating elements, vessel, insulation, terminal enclosure, mounting brackets and inlet and outlet connections into a complete assembly.

Flanged Immersion Process Heaters


    Designed for heating liquids and gases in tanks and vessels, Thermal Solutions' flanged immersion heaters are easy to install and are virtually 100% energy efficient. With temperatures to 1600F, our flanged heaters are available with UL and CSA components.

    Specifications and Ordering Information
    Application Worksheet

Screw Plug Immersion Process Heaters


Circulation Process Heaters


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