Explosion-Proof Heaters

AEU1 – Explosion-proof Electric Unit Heater

Models available from 3 to 30 kW, and 230V/50Hz, 400V/50Hz and 480V/60Hz.

• CE/ATEX II 2 G, Ex d IIB T4 Gb IP55 and EAC Ex 1Ex d IIB T4 X IP55
• CE/ATEX II 2 D, Ex tb IIIB T135°C Db IP65 and EAC Ex tb IIIB T135°C Db X IP65
• Utilizes our ExCaliber™ evacuated and sealed liquid-to-air heat exchanger core which provides faster warm-up time, even heat distribution across the face and the highest operating efficiency.
• 14-gauge steel cabinet with yellow epoxy/polyester coating.
• Protected by a high-quality stainless steel pressure relief device, automatic reset high limit, and a back-up manual reset high limit.
• Factory built-in options available.

XEU1 – Explosion-proof Electric Unit Heater

Certified to Canadian and U.S. standards for use in dry indoor industrial applications where explosive gases or dusts are present.

• Models available from 3 to 35 kW, ranging from 208V to 600V.
• Suitable for Class I, Divisions 1 & 2, Groups C & D; Class II, Division 1 & 2,Groups F & G; Temperature Code T3B (3kW/35kW =T3A).
• Utilizes our ExCaliber™ evacuated and sealed liquid-to-air heat exchanger core which provides faster warm-up time, even heat distribution across the face and the highest operating efficiency.
• 14-gauge steel cabinet with yellow epoxy/polyester coating.
• Protected by a high-quality stainless steel pressure relief device, automatic reset high limit, and a back-up manual reset high limit.
• Field convertible from built-in thermostat to wall mount thermostat & vice versa.
• Factory built-in options available.

XEC1 – Explosion-proof Electric Convection Air Heater.

All XEC1 models are designed to meet U.S. and Canadian certification standards. The four cabinet sizes of XEC1 heaters are available in 119 single-phase and 76 three-phase model choices of voltage, heat output, and Division System temperature class code (T2B or T3A) combinations to meet your specific requirements. 

WCH1 – Washdown/Corrosion Resistant Unit Heater

For use in non-hazardous, severe-duty industrial applications where moisture and corrosion exist.

• Models available from 2 to 47 kW, ranging from 120V to 600V.
• Type 304, 16-gauge stainless steel housing construction.
• Industrial grade, type 304 stainless steel tubular elements with stainless steel fins.
• NEMA 4X non-metallic enclosure houses element terminals and built-in controls.
• Watertight construction can be hosed down without disconnecting the heater.
• Powder-coated aluminum fan blade suitable for corrosive salt spray environments.
• An optional secondary manual reset over-temperature cut-out is also available to meet U.S. Coast Guard requirements.
• Numerous other factory built-in options available

HHP2 – Hydronic High Performance Heater (Horizontal & Vertical Projection Models)

Our high performance heater series that is available in both Horizontal and Vertical projection models designed for industrial applications that can be used with a variety of heating systems such as steam, glycol and hot water, or in liquid cooling applications.

• Canadian CRN approved.
• Maximum operating pressures up to 450 psig (3,103 KPa) and maximum operating temperature of 550°F (288°C).
• Minimum 14-gauge steel cabinet construction with epoxy/polyester powder paint.
• Horizontal and Vertical projection models available with various discharge types.
• Easy-off fan blade replacement feature.
• Motors ranging from 115 to 575V, with the option of general purpose or hazardous location motors.
• Optional welded-on flange connections available.
• Optional Heresite coated core and cabinet available.

HUH2 – Hydronic Unit Heater

Designed for industrial applications that include space heating and liquid cooling.

• Canadian CRN approved.
• Maximum operating pressures up to 400 psig (2,758 KPa) and maximum operating temperature of 550°F (288°C).
• Minimum 14-gauge steel cabinet construction with epoxy/polyester powder paint.
• Reversible core connection feature allowing core to be reversed in the field.
• Easy-off fan blade replacement feature.
• Motors ranging from 115 to 575V, with the option of general purpose or hazardous location motors.
• EAC Ex models available (contact factory).

SRH2 – Steam Rig Heater

Steam Rig Heater designed for applications subject to freezing conditions such as drilling rigs.

• Canadian CRN approved.
• Maximum operating pressures up to 150 psig (1,034 KPa) and maximum operating temperature of 550°F (288°C).
• Minimum 14-gauge steel cabinet construction with epoxy/polyester powder paint.
• Suitable for steam applications primarily on drilling rigs.
• Includes our SafeDeform™ top and bottom core headers which are designed to deform to the increased volume, due to ice expansion, during freeze up conditions.
• Reversible core connection feature that allows core to be reversed in the field.
• Easy-off fan blade replacement feature.
• Motors ranging from 115 to 575V, with the option of general purpose or hazardous location motors.
• EAC Ex models available (contact factory).

BTX1-N-A – Bi-metal Remote Mount Explosion-Proof Thermostat for Hazardous Locations

BTX1-E-A bi-metal explosion-proof thermostat suitable for heating or cooling applications internationally (480V, 22 Amps resistive).

XET1-1-N-A – Electronic Remote Mount Explosion-Proof Thermostat for Hazardous Locations

XET1-1-E-A electronic explosion-proof thermostat suitable for heating applications internationally (requires 24VAC power supply).

Basic Mounting Bracket – BMB

For applications where the support arm can be bolted or welded directly to structural steel concrete.

Hanging Mounting Bracket – HMB

Ideal and economical if adequate overhead structure exists. Requires 1/2″ pipe, cut and threaded (min. Sch. 40 not supplied).

Pipe Mounting Bracket – PMB

For buildings with insufficient strength to use other types of mounting brackets. Requires 3″ in. pipe (3.5″ in. O.D., min. Sch. 40, not supplied).

VHMB – Vertical Hanging Mounting Bracket

Wall Mounting Bracket – WMB

For use in buildings that have substantial walls. The Z sections provide additional support where necessary.