Stelpro 4000W Duct Heater, 8" Round Duct, 240V, 50 CFM

Stelpro SDHR08040002
Stelpro 4000W Duct Heater, 8" Round Duct, 240V, 50 CFM

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Stelpro's Duct Heaters offer powerful temperature increases, perfect for heating rooms or providing ventilation. By offering several security levels and control types for maximum options, these duct heaters can fit any customer's needs.

Stelpro 4000W Duct Heater, 8" Round Duct, 240V, 50 CFM Features:

  • 4 levels of security: Manual protection, automatic protection, terminal black, built-in temperature limit sensor.
  • 5 types of control: 0-10V, 2-10V, PWM, 24 VDC or 24 VAC control.
  • Temperature control potentiometer.
  • Modulation of the Elements, SCR technology.
  • 22 and 20 gauge galvanized steel cabinet resistant to corrosion.
  • Junction box cover, double thermal protections (manual and automatic) for each element.
  • Built-in temperature limit sensor (TT sensor).
  • Supply duct temperature sensor (60in-5ft).
  • Optional electronic air velocity sensor (P sensor)(KIT-SEN-005).
  • Open, nichrome elements.
  • Modulation of the elements by the SCR technology to maintain a constant temperature using only the required energy.
  • Thermostat 24 VAC, thermostat or controller (0-10VDC).
  • Thermostat or controller (PWM).
  • thermostat or controller (2-10V).
  • Thermostat or controller (24VDC).
  • 5in to 12in round duct; vertical, horizontal, up flow or downflow position.
  • "Zero inch" clearance from flammable materials.
  • Three year warranty.
  • Dimensions: 14in (L) x 15in (W) x 9.25in (H).


cUL/UL Listed
Free Shipping
SKU STP-SDHR08040002
Usually ships 1-2 Months
This item is not returnable

Product Specifications

Part NumberSDHR08040002
CertificatecUL/UL Listed
Made in USAYES
Maximum Voltage240V
Weight17.00 lb

Manufacturer Description


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