TPI 3000/4000W Fan Forced Portable Unit Heater | 208/240V

Adjustable Heat Control 13,652 BTU Fan-Forced Portable Electric Heater for Commercial & Industrial Spaces with Adjustable Mounting Flexibility

The TPI Corporation HF684TC 680 Series Bulldog Fan-Forced Portable Unit Heater is a compact electric heater designed to provide supplemental heating for commercial, industrial, workshop, utility, and other suitable indoor environments. Delivering up to 13,652 BTU/h at 240 V and 10,239 BTU/h at 208 V, this single-phase heating system combines a finned steel tubular heating element, forced-air circulation, and an adjustable temperature-control thermostat for targeted heating. Its swivel mounting base supports wall, floor, or ceiling installation, providing flexibility for different space requirements. The integrated fan delivers an approximately 10-foot air throw, while the internal manual-reset thermal cut-out provides an additional layer of overtemperature protection.

Key Benefits

• Dual-Voltage Heating Performance – Provides 4,000 W at 240 V or 3,000 W at 208 V to accommodate compatible electrical supplies.
• Finned Steel Tubular Heating Element – Supports efficient heat transfer from the electric heating element to the moving air.
• Fan-Forced Heat Distribution – Delivers approximately 262 CFM of airflow with an approximately 10-foot air throw to distribute warmth into the surrounding area.
• Adjustable Temperature Control – Features an integrated thermostat to help maintain the desired temperature.
• Swivel Mounting Base – Supports wall, floor, or ceiling mounting for flexible placement within suitable spaces.
• Manual-Reset Thermal Protection – Incorporates an internal manual-reset thermal cut-out to help protect against overheating.
• Compact, Lightweight Construction – Weighs approximately 20 lb, supporting convenient handling and positioning.
• Flexible Electrical Connection – Includes a factory-installed cord and molded plug that can be removed at the terminal block for approved hardwired installations.

13,652 BTU/h Heating Performance for Supplemental Space Heating

The TPI Corporation HF684TC provides a maximum heating output of 13,652 BTU/h at 240 V and 10,239 BTU/h at 208 V. Its rated electrical input is 4,000 W at 240 V or 3,000 W at 208 V, making it suitable for supplemental heating in appropriately sized indoor spaces. The heater produces a published temperature rise of approximately 48°F under the manufacturer's specified test conditions. Actual room temperature performance depends on the surrounding temperature, insulation, air infiltration, room dimensions, and other environmental factors. Select the operating voltage and heater capacity according to the electrical supply and heating requirements of the intended application.

Finned Steel Tubular Electric Heating Technology

The TPI Corporation HF684TC uses a finned steel tubular heating element to convert electrical energy into heat. As the element warms, the integrated fan moves air across the heated surface, transferring thermal energy into the surrounding space. This fan-forced design supports active heat distribution without requiring a fuel supply, combustion burner, or exhaust vent. The electric heating configuration is suitable for compatible indoor applications where the required electrical supply is available. Install and operate the heater in accordance with the manufacturer's instructions, specified clearances, and applicable electrical and building codes.

262 CFM Airflow & Forced-Air Heat Distribution

The TPI Corporation HF684TC provides approximately 262 cubic feet per minute (CFM) of airflow, with a published air throw of approximately 10 feet. The integrated fan circulates heated air away from the unit to support localized temperature control and supplemental space heating. Its forced-air operation helps distribute heat beyond the immediate surface of the heating element. Maintain unobstructed air intake and discharge openings, and position the heater to allow adequate air circulation. Do not cover the heater or obstruct its airflow during operation.

Compact Design & Flexible Mounting

The TPI Corporation HF684TC features a compact steel housing measuring approximately 13.5 inches wide, 17.5 inches high, and 11.5 inches deep. Its approximate operating weight is 20 lb. The swivel mounting base accommodates wall, floor, or ceiling mounting in approved configurations, allowing the heater to be positioned according to the available space and intended heat distribution. The unit can be used as a portable heater where permitted by the manufacturer's instructions or secured using an appropriate mounting arrangement. Ensure the supporting surface or structure can accommodate the heater and that all required clearances are maintained. Follow the current manufacturer's installation instructions before changing the mounting orientation.

Electrical Power & Energy Consumption

The TPI Corporation HF684TC operates on a 208 V or 240 V, single-phase electrical supply and is rated for 50/60 Hz operation. Its electrical input is 3,000 W at 208 V and 4,000 W at 240 V. Manufacturer-published current ratings are approximately 14.5 A at 208 V and 16.7 A at 240 V. The heater includes a factory-installed power cord with a molded plug; the cord can be removed at the terminal block for an approved hardwired installation. Verify the plug configuration, circuit rating, overcurrent protection, grounding, and wiring requirements against the unit nameplate and current manufacturer's documentation before installation. Electrical work must be performed by appropriately qualified personnel in accordance with applicable codes.

Controls, Comfort & Temperature Management

The TPI Corporation HF684TC incorporates a temperature-control thermostat that allows the user to regulate heat output according to the surrounding temperature. Manufacturer literature for the 680 Series identifies a thermostat adjustment range of approximately 35°F to 85°F. This adjustable control supports supplemental heating without requiring a separate external thermostat for basic operation. The heater also incorporates an internal manual-reset thermal cut-out to help protect against overheating. Allow adequate airflow around the unit and follow the manufacturer's reset and troubleshooting instructions if the thermal protection activates. Do not bypass or disable the thermal cut-out.

Commercial, Workshop & Industrial Applications

The TPI Corporation HF684TC is intended for suitable commercial, residential, and industrial indoor applications requiring supplemental electric heat. Potential applications include workshops, maintenance areas, utility rooms, garages, and other appropriately sized indoor workspaces with a compatible electrical supply. Its compact construction, adjustable thermostat, and flexible mounting base support installation in a variety of suitable environments. The fan-forced design helps circulate heated air into the surrounding area, while the absence of fuel combustion eliminates the need for a fuel tank or combustion exhaust system. Confirm that the intended location, electrical supply, mounting arrangement, and clearances comply with the manufacturer's requirements and applicable safety regulations.

Mounting Flexibility & Deployment

The TPI Corporation HF684TC features a swivel base designed to accommodate wall, floor, or ceiling mounting in approved configurations. Its approximately 20 lb weight and compact dimensions support handling during installation and relocation. An optional wall/ceiling mounting bracket is identified in the manufacturer's 680 Series documentation for compatible models. Secure the heater according to the manufacturer's mounting instructions and use suitable fasteners and structural support for the selected installation. Maintain the specified separation from combustible materials, furnishings, and other obstructions. Disconnect electrical power before installation, relocation, cleaning, or servicing.

Safety, Service & Maintenance

The TPI Corporation HF684TC incorporates an internal manual-reset thermal cut-out designed to help protect against overheating. The manufacturer's product documentation identifies the HF684TC as UL listed; verify the applicable listing and installation requirements for the specific unit before use. Regularly inspect the housing, power cord, plug, electrical connections, heating element, fan, and mounting hardware for damage or wear. Keep the air intake and discharge openings clear of dust, lint, and other obstructions. Disconnect power and allow the unit to cool before cleaning or performing maintenance. If the thermal cut-out activates repeatedly, discontinue use and investigate the cause in accordance with the manufacturer's troubleshooting instructions. Never operate the heater with a damaged cord, obstructed airflow, loose mounting hardware, or compromised electrical components. Repairs and electrical servicing must be performed by appropriately qualified personnel.

Warranty

Warranty coverage for the TPI Corporation HF684TC is subject to the manufacturer's applicable written warranty terms. Refer to TPI Corporation's current warranty documentation for the coverage period, covered components, exclusions, claim procedures, and any registration or installation requirements. Confirm the warranty applicable to the specific model and purchase before ordering.

Recommended Accessories

• Optional Wall/Ceiling Mounting Bracket – Manufacturer accessory Part No. A1560, identified in the 680 Series documentation for compatible HF680 and ICH 240C series heaters. Confirm compatibility with the HF684TC and the intended mounting arrangement before ordering.
• Electrical Connection Components – Use only appropriately rated electrical connectors, wiring, and overcurrent protection selected according to the unit nameplate, installation instructions, and applicable electrical codes.
• Replacement Components – Select manufacturer-approved replacement parts for the HF684TC using the official TPI Corporation parts documentation and model identification.

Flexible Supplemental Electric Heating with the TPI Corporation HF684TC

Provide targeted supplemental heat with the TPI Corporation HF684TC 680 Series Bulldog Fan-Forced Portable Unit Heater. Combining up to 13,652 BTU/h of heating output with a finned steel tubular heating element, approximately 262 CFM of airflow, an adjustable thermostat, and a manual-reset thermal cut-out, this compact electric heater supports flexible indoor heating applications. Its 208/240 V operation, lightweight construction, and swivel mounting base accommodate a variety of suitable commercial and industrial spaces, while the integrated forced-air system helps distribute warmth where it is needed.