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Model#: DEWNF340705

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Dewalt DXH40FA 40,000 BTU Forced Air Propane Heater

  • Dewalt DXH40FA 40,000 BTU Forced Air Propane Heater
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A great source for economical heat, DEWALT's F340705 DXH40FA 40,000 BTU Forced Air Propane Heater is the perfect solution for a variety of outdoor heating applications. This FALP unit will heat approximately 800 sq-ft. and will run up to 12 hours on a full 20 pound propane tank.
  • 40,000 BTU per hour for excellent heat source
  • 800 sq-ft. approximate heat range for extended coverage
  • Runs up to 12 hrs. on a full 20 lb. propane tank
  • Quiet Burner Technology for lower noise level than a standard propane heater
  • High temperature limit switch for protection
  • ETL certified to meet all safety standards
  • DXH40FA 40,000 BTU Forced Air Propane Heater - F340705
  • 20 ft. Hose and Regulator


BTU Per Hour: 40,000
Fuel Type: Propane
Heat Range: 800 sq-ft.
Heater Type: Forced Air
Run Time: 12 Hours
Tank Capacity: 20 lbs.
Voltage: 115V



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Can I plug it into a 110 volt thermastat and set it to turn on and off by itself? To keep greenhouse from freezing. Norm
Norm on May 14, 2016
BEST ANSWER: Please contact the manufacturer directly for technical support at 800-433-9258.


Most DEWALT® Tools purchased on or after January 1, 2004 come with a warranty package that includes:

Three-Year Limited Warranty. DEWALT will repair, without charge, any defects due to faulty materials or workmanship for three years from the date of purchase. This warranty does not cover part failure due to normal wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit or call 1-800-4-DEWALT (1-800-433-9258). This warranty does not apply to accessories or damage caused where repairs have been made or attempted by others. This warranty gives you specific legal rights and you may have other rights which vary in certain states or provinces.

One-Year Free Service Contract. DEWALT will maintain the tool and replace worn parts caused by normal use, for free, any time during the first year after purchase.

90-Day Money Back Guarantee. If you are not completely satisfied with the performance of your DEWALT Power Tool, Laser, or Nailer for any reason, you can return it within 90 days from the date of purchase with a receipt for a full refund - no questions asked.