Introduction
This manual provides essential instructions for the safe and efficient operation, installation, and maintenance of your KING KBP1230 Multi-Wattage Compact Unit Heater. Please read all instructions carefully before installation and use. Retain this manual for future reference.
The KING KBP1230 is designed for heating spaces such as garages and workshops. It features a flow-through design for efficient air movement, a built-in thermostat for precise temperature control, and a fan delay function to dissipate residual heat from the elements.
Important Safety Information
WARNING: Risk of Fire, Electric Shock, or Injury to Persons.
- Read all instructions before installing or using this heater.
- This heater is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, and curtains, at least 3 feet (0.9 m) from the front of the heater and keep them away from the sides and rear.
- Extreme caution is necessary when any heater is used by or near children or invalids and whenever the heater is left operating and unattended.
- Do not operate any heater with a damaged cord or plug or after the heater malfunctions, has been dropped, or damaged in any manner. Return heater to authorized service facility for examination, electrical or mechanical adjustment, or repair.
- Do not use outdoors.
- This heater is not intended for use in bathrooms, laundry areas, and similar indoor locations. Never locate heater where it may fall into a bathtub or other water container.
- 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.
- A heater has hot and arcing or sparking parts inside. Do not use it in areas where gasoline, paint, or flammable vapors or 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).
Setup and Installation
The KING KBP1230 heater is designed for either portable use or permanent mounting. Ensure the installation location complies with all local electrical codes and safety regulations.
Unpacking
Carefully remove the heater from its packaging. Inspect for any damage that may have occurred during shipping. Retain packaging for future transport or storage.
Mounting Options
The unit includes a universal wall/ceiling bracket. For permanent installation, secure the bracket to a sturdy structural component. Ensure adequate clearance around the heater for proper airflow and safety.
Image: KING KBP1230 Unit Heater with Mounting Bracket

This image shows the KING KBP1230 unit heater from a front-side angle, highlighting its compact design and the integrated mounting bracket for wall or ceiling installation. The control panel is visible on the front.
Electrical Connection
This model operates at 2850W / 120V / 1 Ph. Ensure the electrical supply matches the heater's requirements. Installation should be performed by a qualified electrician if permanent wiring is required. For portable use, ensure the outlet is properly grounded and rated for the heater's wattage.
Image: Rear View of KING KBP1230 Unit Heater

This image displays the rear of the KING KBP1230 unit heater, showing the air intake grille and the panel where electrical connections are made. This area is crucial for proper wiring and airflow.
Wattage Adjustment (Pic-A-Watt Feature)
The KBP1230 features multiple wattage options to tailor to a room's specific heating requirements. This adjustment is typically made during installation by a qualified professional by modifying internal wiring or element connections. Refer to the detailed wiring diagram provided with the product for specific instructions on adjusting wattage.
Video: Pic-A-Watt Heaters Adjust To Your Room's Heating Needs
This video demonstrates the concept of Pic-A-Watt heaters, which allow for wattage adjustment to suit different room sizes and heating needs. It highlights the flexibility of KING heaters in adapting to various environments.
Operating Instructions
Control Panel Overview
The KBP1230 features a user-friendly control panel on the front of the unit.
Image: Front View of KING KBP1230 Control Panel

This image provides a clear view of the front of the KING KBP1230 unit heater, focusing on the control panel. The panel includes a thermostat dial for temperature setting and a selector switch for fan, heat, and off functions.
Setting the Thermostat
The built-in thermostat allows for precise temperature control. Rotate the thermostat dial to your desired temperature setting. The heater will cycle on and off to maintain the set temperature.
Function Selector Switch
The 3-position switch offers the following modes:
- OFF: Turns the heater completely off.
- FAN: Operates the fan only, circulating air without heat.
- HEAT: Activates both the heating element and the fan. The thermostat will regulate the heat output.
The fan delay feature ensures the fan continues to run for a short period after the heating element turns off, dissipating residual heat and extending element life.
Maintenance
Regular maintenance ensures optimal performance and longevity of your heater. Always disconnect power before performing any maintenance.
Cleaning
- Periodically clean the exterior of the heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure air intake and exhaust grilles are free from dust and debris. Use a vacuum cleaner with a brush attachment to gently clean these areas.
Inspection
- Regularly inspect the power cord (if portable) for any signs of damage, fraying, or overheating.
- Check mounting hardware for tightness and stability.
Image: Side View of KING KBP1230 Unit Heater

This image shows a side profile of the KING KBP1230 unit heater, providing a view of its depth and the side ventilation grilles. This perspective helps in understanding the unit's physical footprint and airflow design.
Troubleshooting
Before contacting customer support, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power supply; Thermostat set too low; Overheat protection activated. | Check power connection and circuit breaker. Increase thermostat setting. Allow unit to cool down and reset. |
| Heater produces insufficient heat. | Incorrect wattage setting; Room size too large for heater capacity; Blocked air vents. | Verify wattage setting (consult electrician if needed). Ensure heater is appropriately sized for the space. Clean air intake and exhaust grilles. |
| Fan runs but no heat. | Heater is in "FAN" mode; Heating element malfunction. | Ensure selector switch is set to "HEAT". If issue persists, contact customer support. |
| Unusual noises or odors. | Dust accumulation; Loose components; Electrical issue. | Disconnect power and clean unit. If noises or odors persist, discontinue use and contact customer support. |
Specifications
- Model: KBP1230
- Brand: KING
- Wattage: 2850W (Multi-Wattage Capable)
- Voltage: 120V
- Phase: 1 Ph
- Amperage: 23.8 Amps
- Color: Onyx Gray
- Dimensions: 11.5 x 10 x 13.5 inches (Product)
- Item Weight: Approximately 0.01 ounces (Note: This weight appears to be an error in source data, actual weight will be significantly higher for a unit heater)
- Special Features: Portable & Mountable, Built-in Thermostat, Fan Delay, Patented Smart Limit Protection
- Recommended Uses: Garage, Home
- UPC: 093319151914
Image: KING KBP Series Coverage Chart

This chart illustrates the heating coverage capabilities of different KING KBP series heaters, including the KBP1230. It provides guidance on the square footage each model can effectively heat, based on wattage and typical insulation values.
Warranty Information
The KING KBP1230 Multi-Wattage Compact Unit Heater comes with a 5-Year Limited Warranty on the Original Pic-A-Watt Element and a 1 Year Warranty on other components. Please refer to the warranty card included with your product for full terms and conditions. Keep your purchase receipt as proof of purchase.
Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact KING customer support. Visit the official KING website for the most current contact information.
Manufacturer: King Electric
Website: www.king-electric.com





