DEWALT F340700
DEWALT DXH215HD F340700 Forced Air Kerosene Heater User Manual
Model: F340700 | Brand: DEWALT
Introduction
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your DEWALT DXH215HD F340700 Forced Air Kerosene Heater. Please read this manual thoroughly before using the heater and retain it for future reference.

Image: The DEWALT DXH215HD F340700 Forced Air Kerosene Heater, featuring its robust yellow and black design with a roll cage and wheels.
Important Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.
- Always operate the heater in a well-ventilated area to prevent carbon monoxide poisoning.
- Use only approved fuels: Kerosene (K-1), Diesel #1 or #2, Fuel Oil #1 or #2, or Jet A fuel. Do not use gasoline or other volatile fuels.
- Keep combustible materials at least 8 feet (2.4 meters) from the front of the heater and 3 feet (0.9 meters) from the sides and top.
- Never leave the heater unattended while operating.
- Ensure the heater is placed on a level, stable, non-combustible surface.
- Do not use the heater in living areas or sleeping quarters.
- This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm (Proposition 65 Warning).
Setup and Assembly
1. Unpacking and Initial Inspection
Carefully remove all components from the packaging. Inspect the heater for any damage that may have occurred during shipping. If any damage is found, do not operate the heater and contact customer service immediately.
2. Assembly
While the heater is largely pre-assembled, some minor assembly may be required, such as attaching the wheels and handle. Refer to the included assembly diagram for specific instructions.

Image: A close-up view of the durable, flat-free rubber wheel, designed for easy transport across various terrains.

Image: Detail of the ergonomic handle and robust roll cage, facilitating safe and comfortable movement of the heater.
3. Fueling the Heater
Ensure the heater is turned off and cool before adding fuel. Use only K-1 Kerosene, #1 or #2 Diesel, #1 or #2 Fuel Oil, or Jet A fuel. Do not overfill the tank. The fuel gauge indicates the current fuel level.

Image: The fuel gauge and secure fuel cap located on the top of the heater's fuel tank.
Operating Instructions
1. Starting the Heater
- Ensure the heater is connected to a grounded power outlet.
- Verify the fuel tank contains sufficient and correct fuel.
- Turn the thermostat control knob to the desired heat setting.
- Flip the power switch to the "ON" (I) position. The heater will initiate its continuous electronic ignition sequence.
- If the heater does not ignite immediately, it may need to prime the fuel system. Allow a few seconds and if necessary, cycle the power switch off and on a few times until ignition occurs.

Image: The recessed control panel, showing the thermostat adjustment knob and the red power switch.
2. Adjusting Heat Output
The thermostat control knob allows you to adjust the heat output. Turn the knob clockwise for higher heat and counter-clockwise for lower heat. The heater will cycle on and off to maintain the set temperature.
3. Shutting Down the Heater
To turn off the heater, simply flip the power switch to the "OFF" (O) position. The heater will undergo a cool-down cycle before completely shutting down.
Maintenance
Regular maintenance ensures optimal performance and extends the life of your heater. Always disconnect the heater from the power supply and allow it to cool completely before performing any maintenance.
- Cleaning: The two-piece split barrel design facilitates easier cleaning. Regularly clean the fan blades and the interior of the heater to prevent dust and debris buildup.
- Fuel Filter: Inspect and clean or replace the fuel filter periodically to ensure proper fuel flow.
- Igniter and Nozzle: Check the igniter and fuel nozzle for carbon buildup or damage. Clean or replace as necessary to ensure reliable ignition and efficient combustion.
- Storage: When storing the heater for extended periods, drain the fuel tank completely and store in a dry, protected area.

Image: A close-up of the integrated storage compartment on the side of the heater, useful for small tools or accessories.

Image: The storage compartment opened, revealing a work glove stored inside, demonstrating its practical use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not start or ignite. | No power, no fuel, clogged fuel filter, faulty igniter. | Check power connection. Ensure sufficient fuel. Clean/replace fuel filter. Inspect/clean igniter. Cycle power switch to prime fuel system. |
| Heater starts but shuts off unexpectedly. | Low fuel, overheating, improper fuel pressure, dirty nozzle. | Refill fuel. Ensure adequate ventilation. Check for obstructions. Clean fuel nozzle. |
| Reduced heat output or unusual flame. | Clogged fuel filter, dirty nozzle, incorrect fuel pressure. | Clean/replace fuel filter. Clean fuel nozzle. Consult service for pressure adjustment if necessary. |
| Excessive smoke or odor. | Improper fuel, poor ventilation, dirty components. | Ensure correct fuel type. Increase ventilation. Clean heater components. |
Specifications
- Model: F340700 (DXH215HD)
- Product Dimensions: 42 x 18 x 22 inches
- Item Weight: 42 pounds
- Heating Method: Forced Air
- Fuel Type: Multi-fuel capability (K-1 Kerosene, Diesel #1 or #2, Fuel Oil #1 or #2, Jet A)
- Ignition: Continuous Electronic
- Safety Features: Overheat safety shut off, continuous ignition
- Certifications: CSA Certified
- Form Factor: Rolling Cart
Warranty Information
This DEWALT heater is covered by a 1-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. For warranty claims or service, please retain your proof of purchase and contact DEWALT customer support.
Customer Support
For technical assistance, parts, or service inquiries, please visit the official DEWALT website or contact their customer support line. Have your model number (F340700) and serial number ready when contacting support.
You can find more information and support resources at: www.dewalt.com
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