1. Important Safety Instructions
Read all instructions before using this heater. Failure to follow these instructions may result in fire, electric shock, or injury.
- Do not use this heater outdoors.
- This heater is hot when in use. To avoid burns, do not let bare skin touch hot surfaces.
- Always unplug the heater when not in use.
- Do not operate any heater with a damaged cord or plug, or after the heater malfunctions or has been dropped or damaged in any manner.
- Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Arrange cord away from traffic area and where it will not be tripped over.
- To disconnect heater, turn controls to OFF, then remove plug from outlet.
- Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric shock or fire, or damage the heater.
- To prevent a possible fire, do not block air intakes or exhaust in any manner. Do not use on soft surfaces, like a bed, where openings may become blocked.
- This heater has hot and arcing or sparking parts inside. Do not use it in areas where gasoline, paint, or flammable liquids are used or stored.
- Use this heater only as described in this manual. Any other use not recommended by the manufacturer may cause fire, electric shock, or injury to persons.
- Always plug heaters directly into a wall outlet/receptacle. Never use with an extension cord or relocatable power tap (outlet/power strip).
- This heater includes a tip-over switch and thermal cutoff device for overheat protection. If the heater tips over or overheats, it will automatically shut off.
2. Product Overview
2.1 Features
- Fan-forced heating for efficient air circulation.
- Adjustable thermostat for personalized comfort.
- Multiple heat settings: 1500W and 1300W.
- Fan-only mode for air circulation without heat.
- Integrated safety features: tip-over switch, automatic reset limit control, and thermal cutoff device.
- Durable steel milk-house style enclosure.
- Convenient carry handle for portability.
2.2 Physical Dimensions

Image: The TPI 188TASA heater showing its approximate dimensions for height, width, and depth.
2.3 Controls and Indicators
The TPI Corporation 188TASA heater features intuitive controls and indicators for ease of use.

Image: Front panel of the TPI 188TASA heater, displaying the power indicator, caution light, wattage selector (1500W, 1300W, Fan, Off), and thermostat dial (Low to High).
- Power Indicator Light: Illuminates when the heater is powered on.
- Caution Light: Illuminates if the heater overheats or tips over.
- Wattage/Mode Selector: Allows selection between 1500W, 1300W, Fan-only, or Off.
- Thermostat Dial: Adjusts the desired room temperature from Low to High.
- Carry Handle: Located on top for easy transport.
- Side Handles: For additional portability and stability.
- Power Cord: 6-foot, three-conductor cord for 120V outlets.
3. Setup
- Unpacking: Carefully remove the heater from its packaging. Retain packaging for future storage or transport.
- Placement:
- Place the heater on a firm, level surface.
- Ensure there is at least 3 feet (0.9 meters) of clear space around the heater from walls, furniture, curtains, and other combustible materials.
- Do not place the heater in areas where it could be easily tipped over.
- The heater can be used upright or laid on its side using the integrated side handles as a stand to elevate it slightly from the ground.
- Power Connection:
- Ensure the heater's wattage/mode selector is in the "OFF" position.
- Plug the 6-foot, three-conductor power cord directly into a 120V wall outlet. Do not use extension cords or power strips.

Image: The TPI 188TASA heater positioned on a floor, demonstrating its typical placement and connection to a power source.
4. Operating Instructions
- Power On: Once plugged in, turn the wattage/mode selector dial to your desired heat setting (1500W or 1300W) or "FAN" for air circulation without heat. The "POWER" indicator light will illuminate.
- Adjusting Temperature: Rotate the thermostat dial to the "HIGH" setting initially. Once the room reaches your desired comfort level, slowly turn the thermostat dial counter-clockwise until the heater turns off. The heater will now cycle on and off to maintain this temperature.
- Fan-Only Operation: To use the heater as a fan without heat, select the "FAN" setting on the wattage/mode selector.
- Power Off: To turn off the heater, rotate the wattage/mode selector dial to the "OFF" position. Unplug the heater from the wall outlet when not in use for extended periods.
Video: Demonstrates the basic operation of the TPI 188TASA portable heater, including plugging it in and adjusting the controls for heat and fan settings.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your heater.
- Cleaning: Always unplug the heater and allow it to cool completely before cleaning. Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Dust Removal: Use a vacuum cleaner with a brush attachment to remove dust from the air intake and exhaust grilles.
- Storage: When not in use, store the heater in a cool, dry place. It is recommended to store it in its original packaging to protect it from dust and damage.
- Cord Care: Inspect the power cord regularly for any signs of damage. If the cord is damaged, it must be replaced by the manufacturer or a qualified service agent to avoid a hazard.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. |
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| Heater produces no heat in heat mode. |
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| Caution light is on. |
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7. Specifications
- Model: 188TASA (H-2308)
- Brand: TPI Corporation
- Power Settings: 1500W / 1300W
- Voltage: 120V
- Frequency: 60Hz
- Dimensions (approx.): 15"D x 17.1"W x 12.8"H
- Weight (approx.): 7 pounds
- Safety Features: Tip-over switch, Automatic reset limit control, Thermal cutoff device.
- Certifications: UL Compliant (for US and Canada)
8. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your product or contact TPI Corporation directly.
TPI Corporation Contact Information:
- Website: www.tpicorp.com
- Headquarters: Johnson City, TN, USA
Please have your model number (H-2308) and purchase date available when contacting support.