Heavy duty industrial unit heaters featuring T3C ratings - the lowest ignition temperature rating in the industry!  The DX-233 Series heaters are offered in a wide range of power outputs, voltage ratings and available control systems for custom tailoring to your needs. Dual (automatic and manual reset) over-temperature protection incorporated with a 70 PSIG relief value setting for additional user safety.  A welded steel heat exchanger with painted steel heaters, steel tubes, and spiral wound aluminum fins for extra unit durability. Ideal for environments where there is a risk of vapour or dust combustion.

Finish:
Baked on polyester powder-coated cabinet; epoxy covered motor; NEMA 7, 9 cast aluminum control circuit enclosure. Also available in 316 stainless steel or Heresite® construction. Contact factory for information.

Heating Element:
Welded steel heat exchanger with painted steel heaters, steel tubes and spiral wound aluminum fins

Heat Exchanger:
The advanced design allows lower operating temperatures from sealed liquid-to-air heat exchanger with steel tubes, and integral aluminum fins. The pressure relief device provides excel pressure protection.

Controls & Wiring:
24VAC transformer; contactor; with automatic and manual reset over temperature thermal cut-outs. Adjustable covers.