
The DAYTON 4TDH9 Electric Unit Heater is a fan-forced, 3-phase heating unit designed for wall or ceiling installation in large indoor areas requiring distributed electric heat. Operating on 480V AC power, this heater delivers an 80kW output with a heating capacity of 273,000 BtuH. It generates an airflow of 5,000 cfm with a 55°F air temperature rise and supports a horizontal air throw of up to 65 ft and vertical floor coverage of 90 ft. The housing is constructed of steel with a brown powder-coated finish and contains a totally enclosed, single-speed fan motor that is ball bearing mounted and thermally protected.
Key Features:
- - Voltage and Phase: 480V AC, 3-phase power
- - Wattage Output: 80kW; Heating capacity 273,000 BtuH
- - Airflow: 5,000 cfm with 55°F temperature rise
- - Mounting Type: Wall or ceiling; vertical mounting height up to 40 ft
- - Dimensions: 39-1/2 in H × 37-1/2 in W × 18-1/2 in D
- - Housing: Steel construction with brown powder-coated finish
- - Fan Motor: Totally enclosed, single-speed, ball bearing, thermal protected
- - Electrical: 96.3A current draw; 24V AC contactor coil
- - Features: Manual reset linear thermal protector, adjustable louvers, direct wire connection, hinged and latched access door
- - Operation: Fan-forced heating method for controlled air output
- - Standards: ETL Listed for use in the U.S. and Canada
- - Requirements: Thermostat (required for operation)
- - Warranty: 1-year manufacturer warranty
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.