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Home>Corrosion-Resitant Heaters>Chromalox HD3D Corrosion Resistant Unit Heaters>HD3D 12.5 kW Unit Heaters

Chromalox HD3D1250 Electric Hose Down Corrosion Resistant Unit Heater - 12500 watts (12.5 kw) - 208 VAC - Three Phase

Part Number HD3D-1250 - 575/3 VAC (520401)
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Chromalox HD3D1250 Electric Hose Down Corrosion Resistant Unit Heater - 12500 watts (12.5 kw) - 208 VAC - Three Phase
Chromalox HD3D Series Corrosion Resistant Unit Heater
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Chromalox Electric Heaters

HD3D Hose Down Corrosion Resistant
Electric Blower Heater

Reliable, Rugged Unit Heater Designed For Challenging Environments


Adjustable Discharge Grille - Can Be Wall or Ceiling Mounted


Optional Universal Swivel Bracket Available


Available In 120, 208, 240, 277, 480 & 575 Volts

(varies by model, voltage & phase)


Single and Three Phase models With Outputs From 2000 to 39000 Watts

(6824 to 133068 Btu/H)

This reliable, rugged, self contained heater is an ideal heat source for freeze protection or comfort heat in dusty, dirty and/or corrosive non-hazardous environments. Standard HD3D heaters include low profile stainless steel wall/ceiling mounting brackets that can be used to mount directly to a wall for horizontal airflow perpendicular to the wall. These brackets can also be used to mount the heater directly to the ceiling for vertical airflow.

  • Roll Formed Case is constructed of 20 gauge corrosion resistant type 304 stainless steel

  • Adjustable Discharge Grille directs air flow up or down as needed

  • NEMA 4X Control Enclosure houses the heater controls, contactors and control voltage transformer, easily accessible from front of heater

  • Heating Elements: High quality, long-life, Stainless Steel Fintube (type 316) offers maximum resistance to corrosion

  • Totally Enclosed Motor: The motor is permanently lubricated, ball bearing type and is epoxy painted for moisture and corrosion resistance

  • Dynamically Balanced Fan: Aluminum fan is epoxy coated and provides optimum air flow across the heating elements

  • Transformer provides a 120V control circuit (24V optional). Standard on all units except 2 kW and 3 kW, 120V

  • Heavy Duty Contactors for heating circuit and motor are included. (Not furnished on 120V, 2 and 3 kW units)

  • Automatic Reset Thermal Cutout is provided for fast heat response and overheat protection

  • Fan Time Delay Relay dissipates residual heat build-up after shutdown

  • Low Profile Fixed Wall & Ceiling Mounting Bracket (Non Swiveling)