10"-14" Flange Heaters

Watlow SELECT™

Watlow flanged immersion heaters are easy to install and maintain. Designed for heating liquids and gases in tanks and pressure vessels, ANSI flanged immersion heaters are ideal for applications requiring higher kilowatts.

Watlow flanged immersion heaters are made with WATROD or FIREBAR tubular elements brazed or welded to a flange. Stock flange heaters are equipped with a general purpose terminal enclosure.

Flanged immersion heaters, with FIREBAR elements, also answer the need for liquid immersion applications requiring high kilowatts in small tanks. The FIREBAR element's unique flat surface geometry packs more power in a smaller bundle, with lower watt density, making it especially well-suited for petroleum-based liquid heating applications.

Features & Benefits

UL® and CSA component recognition

ANSI and ANSI compatible 2, 2½, 3 thru 48 inch flanges

All units are inspected and/or tested to ensure element-to-flange pressure seals do not leak

Integrel thermowells provide convenient temperature sensor insertion and replacement without draining the fluid being heated

Standard, general purpose terminal enclosure for easy access to wiring


Maximum Operating Temperatures
Maximum Watt Densities
Alloy 800 1600 870 100 15.5
Stainless Steel 1200 650 100 15.5
Steel 750 400 100 15.5
N/A 350 175 100 15.5
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