Stelpro 4000W Duct Heater, 6" Round Duct, 240V, 50 CFM

Stelpro 4000W Duct Heater, 6" 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.