Process Air Heaters Line
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Watlow LDH SERIES Duct Heaters
Watlow duct heaters are engineered for high-performance, non-pressurized air heating systems, offering modular design, energy efficiency, and durable construction to meet the demands of industrial applications.
D SERIES Duct Heaters
Watlow duct heaters are constructed of sturdy 0.430 in. (11 mm) diameter WATROD heating elements mounted to a 1⁄4 in. (6 mm) thick steel flange. These air duct heaters are easily adapted to many non-pressurized air-heating systems.
HELIMAX™ Electric Heat Exchanger with Continuous Helical Flow Technology™
Watlow's HELIMAX™ electric heat exchanger delivers efficient, reliable heating for air, water, and gas applications. Its advanced continuous helical flow design reduces fouling and helps maintain stable thermal performance in compact, high-demand environments.