1. Introduction and Product Overview
The KING KT1215-MW-B Multi-Watt Kickspace Heater is a compact and efficient heating solution designed for installation in confined spaces such as under kitchen or bathroom cabinets. Its narrow profile, measuring only 3.5 inches tall, allows for convenient placement, saving valuable floor and wall space. This heater is equipped with a NiChrome open coil element for rapid heat transfer and a squirrel cage blower for quiet operation.
Key features include:
- Designed to fit under kitchen and bathroom cabinets.
- NiChrome Open Coil Element for quick heat transfer.
- Multiple wattage options to tailor to specific heating requirements.
- Squirrel Cage Blower for efficient and quiet air circulation.
- Patented Smart Limit Protection for enhanced safety.
- Proudly Made in the USA with U.S. and Global Materials.

Figure 1: Front view of the KING KT1215-MW-B Multi-Watt Kickspace Heater. This image shows the compact black unit with its distinctive slatted grille, designed for discreet installation under cabinetry.
2. Safety Information
WARNING: Read all instructions before installing or using this heater. Failure to follow these instructions may result in electric shock, fire, property damage, or personal injury.
- Electrical Safety: Ensure the heater is connected to a properly grounded 120V AC electrical supply. Do not operate with a damaged cord or plug.
- Overheat Protection: This heater is equipped with Patented Smart Limit Protection, an automatic thermal cut-off that activates if the heater overheats. If this occurs, disconnect power and allow the unit to cool before attempting to reset.
- Clearances: Maintain proper clearances from combustible materials. Do not block air intake or exhaust openings.
- Location: Intended for indoor use only. Do not use in wet or damp locations.
- Surface Temperature: Check floor covering manufacturer’s recommendation for acceptable surface temperature before installation, as the heater may cause surfaces to become warm.
- Servicing: All servicing should be performed by qualified service personnel.
3. Setup and Installation
The KT1215-MW-B is specifically designed for installation under kitchen or bathroom cabinets. Ensure adequate space and proper electrical wiring are available before beginning installation.
3.1 Pre-Installation Checks
- Verify that the electrical supply matches the heater's requirements (120V).
- Ensure the installation area is clean and free of obstructions.
- Confirm that the floor covering can withstand potential surface temperature increases.
3.2 Mounting the Heater
- Prepare the opening under the cabinet according to the dimensions provided in the specifications section.
- Slide the heater into the prepared opening.
- Secure the heater using appropriate fasteners through the designated mounting points.
3.3 Grill Options
The heater can be fitted with different grills depending on the application:
- KTG-24W Retrofit Grill: This optional grill is designed for easy replacement of older kickspace heaters, covering existing cutouts.
- KTG-OL Grill: For applications other than standard kickspace use.
Consult the specific grill's instructions for installation details.
4. Operating Instructions
The KING KT1215-MW-B heater is designed for straightforward operation. It features multiple wattage options, allowing you to select the appropriate heat output for your room's specific needs.
4.1 Powering On/Off
Connect the heater to a switched power source. The heater will begin to operate when power is supplied. Disconnect power to turn the unit off.
4.2 Adjusting Wattage
Refer to the wiring diagram provided with your heater for instructions on how to select the desired wattage setting. This typically involves adjusting internal wiring connections to match your heating requirements (e.g., 1500W for maximum output).
4.3 Thermostat Control (if applicable)
If your installation includes an external thermostat, set it to your desired room temperature. The heater will cycle on and off to maintain this temperature.
5. Maintenance
Regular maintenance ensures the longevity and efficient operation of your kickspace heater. Always disconnect power to the heater before performing any maintenance.
- Cleaning: Periodically clean the exterior of the heater and the grille with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Airflow: Ensure that the air intake and exhaust openings are free from dust, lint, and other debris. Blocked airflow can reduce efficiency and trigger the overheat protection.
- Internal Cleaning: For internal cleaning, it is recommended to consult a qualified technician.
6. Troubleshooting
This section provides solutions to common issues you might encounter with your KING kickspace heater.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power supply; tripped circuit breaker; activated overheat protection. | Check circuit breaker/fuse. Ensure power switch is on. If overheat protection activated, disconnect power, allow to cool, then reconnect. |
| Heater produces insufficient heat. | Incorrect wattage setting; blocked airflow; room too large. | Verify wattage setting. Clear any obstructions from air vents. Ensure heater is appropriately sized for the room. |
| Unusual noise during operation. | Debris in blower; loose components. | Disconnect power and inspect for any visible debris. If noise persists, contact a qualified technician. The squirrel cage blower design is inherently quiet, so unusual noise indicates an issue. |
| Heater cycles on and off frequently. | Overheat protection activating; thermostat setting too close to ambient temperature. | Check for blocked airflow. Adjust thermostat setting. |
7. Specifications
| Attribute | Detail |
|---|---|
| Brand | KING |
| Model Number | KT1215-MW-B |
| Color | Black |
| Voltage | 120 Volts (AC) |
| Wattage | Multi-Watt (up to 1500W) |
| Special Feature | Overheat Protection (Patented Smart Limit Protection) |
| Form Factor | Pedestal (Kickspace) |
| Indoor/Outdoor Usage | Indoor |
| Recommended Uses | Home (Bathroom, Kitchen) |
| Mounting Type | Floor Mount (under cabinet) |
| Fuel Type | Electric |
| Product Dimensions | 8.5 x 17 x 5 inches (L x W x H) |
| Item Weight | 8.1 pounds |
| Manufacturer | King Electric |
| UPC | 093319327135 |
8. Warranty and Support
The KING KT1215-MW-B Multi-Watt Kickspace Heater comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or further assistance, please contact KING Electric customer service. Keep your proof of purchase for warranty validation.
For more information about KING products, you may visit the official KING Store online: KING Store on Amazon.







