Introduction
This user manual provides comprehensive instructions for the safe and efficient operation, installation, and maintenance of your Dimplex 42 Inch Slim Built-in Linear Electric Fireplace Heater. This unit features a shallow 4-inch depth, Multi-Fire Color Technology, and includes a remote control and acrylic crystal ember bed. It is designed for flush mounting in most home frames, offering a modern and elegant heating solution. Please read this manual thoroughly before installation and use, and retain it for future reference.
Important Safety Information
Always adhere to basic safety precautions to reduce the risk of fire, electric shock, and injury to persons.
- Read all instructions before using this fireplace.
- Do not operate any fireplace with a damaged cord or plug, or if the heater has been dropped or damaged in any manner.
- Do not use outdoors.
- This fireplace 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 fireplace.
- Extreme caution is necessary when any heater is used by or near children or invalids and whenever the fireplace is left operating and unattended.
- Always unplug fireplace when not in use.
- 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 fireplace.
- 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 product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Package Contents
Upon unpacking, please ensure all items listed below are present and undamaged.
- Dimplex 42 Inch Slim Built-in Linear Electric Fireplace Heater Unit
- Acrylic Crystals (Ember Bed Media)
- Remote Control (2 AAA batteries included)
- Mounting Bracket
- User Manual
Setup and Installation
The Dimplex Slim Electric Fireplace is designed for versatile installation, either flush into 2-inch x 4-inch framing or using the included wall mount installation bracket for quick and easy setup. Ensure the chosen location is suitable for electrical connections and provides adequate clearance for heat dissipation.

Figure 1: Front view of the Dimplex 42 Inch Slim Built-in Linear Electric Fireplace.

Figure 2: Detailed dimensions for the Dimplex 42 Inch Slim Linear Electric Fireplace, showing a depth of 3-7/8 inches (9.8 cm).

Figure 3: Example installation of the Dimplex 42 Inch Slim Linear Electric Fireplace in a contemporary living space.

Figure 4: Visual guide to the Multi-Fire SL features, including hidden touch controls, mood themes, flame themes, multi-function remote, and Flame Connect app.

Figure 5: Additional dimensional view of the fireplace, highlighting its slim profile and overall size.
Electrical Connection:
The unit can be hardwired or used with an optional 120V plug-in cord kit. Consult a qualified electrician for hardwiring installations to ensure compliance with local electrical codes.
Operating Instructions
Your Dimplex electric fireplace offers various settings to customize your experience.
Remote Control Functions:
The included remote control allows you to adjust settings from the comfort of your couch.
- Power On/Off: Activates or deactivates the unit.
- Flame Color Adjustment: Cycle through various flame colors (Yellow, Orange, Blue, Mixed) to match your mood.
- Flame Speed Control: Adjust the speed of the flame effect.
- Heat Settings: Control the supplemental heat output for up to 400 sq ft. The unit can be operated with or without heat.
- Fan Speed: Adjust the fan speed for optimal air circulation.
- Built-in Timer: Set the timer for automatic shut-off, up to 8 hours.
- Ember Bed Color: Adjust the color of the acrylic crystals with a touch of a button.
Multi-Fire SL Technology:
Dimplex's Multi-Fire SL Technology creates a multi-layered flame appearance for a sense of depth and realism. The ambient light sensor automatically adjusts firebox light to suit the room day to night.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your electric fireplace.
- Cleaning: Ensure the unit is unplugged and cool before cleaning. Use a soft, damp cloth to wipe surfaces. Do not use abrasive cleaners.
- Air Intakes/Exhaust: Periodically check and clear any dust or debris from the air intake and exhaust vents to maintain proper airflow and prevent overheating.
- Ember Bed: The acrylic crystals can be carefully removed and cleaned with a soft cloth if necessary.
Troubleshooting
If you encounter issues with your fireplace, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to the unit. | Unit unplugged, circuit breaker tripped, or power outlet issue. | Ensure the unit is securely plugged in. Check your home's circuit breaker and reset if necessary. Test the outlet with another appliance. |
| Flames are not visible or dim. | Flame effect is turned off, or light intensity is set too low. | Use the remote control or hidden touch controls to turn on the flame effect and adjust the brightness. |
| No heat output. | Heater function is off, or thermostat setting is too low. | Activate the heater function via the remote or controls. Increase the thermostat setting. Ensure vents are not blocked. |
| Unusual noise during operation. | Minor fan noise is normal. Obstruction in fan or motor. | Ensure no foreign objects are near the fan. If noise persists or is excessive, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | DIMPLEX |
| Model Name | PLF4214-XS |
| Power Source | Electric |
| Product Dimensions | 3.75"D x 42"W x 19.5"H |
| Material | Metal |
| Finish Type | Black |
| Installation Type | Built In, Wall Mount |
| Heat Output | 4200 British Thermal Units |
| Special Feature | 1002 sq ft Heat, Slim Thin Design, LED Multi-Color Flames, Corded, Built-In Timer |
| Heating Coverage | 400 sq ft |
| Included Components | Acrylic Crystals, Remote Control, Mounting Bracket |
| Item Weight | 64.8 Pounds |
| UPC | 781052137301 |
| Batteries Required | 2 AAA batteries (included for remote) |
Warranty Information
This Dimplex Electric Fireplace comes with a Limited Warranty. For specific details regarding coverage, duration, and terms, please refer to the warranty card included in your product packaging or visit the official Dimplex website.
Customer Support
For any questions, technical assistance, or warranty claims, please contact Dimplex Customer Support.
- Online Support: Visit the official Dimplex website for FAQs and support resources.
- Phone Support: Refer to your product packaging or the Dimplex website for contact numbers.
- Returns: This product is eligible for 30-day easy returns.





