Auto-Ignition of Cooking Oils
The University of Maryland
Department of Fire Protection Engineering
Link to full report: http://drum.lib.umd.edu/bitstream/handle/1903/11333/Buda_Ortins_ResearchPaper.pdf
Product Disclaimer: Auto-Out® Knob is for use on electric cooktops only and cannot be used on a gas range/cooktop. Stove should never be left unattended and burners should always be turned to OFF position when not in use. If a cooking fire occurs, resident /user should turn burner to OFF position as soon as it is safe to do so. Warren Watts Technology, manufacturer of Auto-Out, makes no guarantees against fires of any kind. It is first and foremost the responsibility of the user to practice safe cooking. In no event shall Warren Watts Technology be liable for any direct, indirect, punitive, incidental, special consequential damages, to property or life, whatsoever
due to improper installation or neglecting to meet the proper conditions of use.
How Does Auto-Out® Knob Work?
It's simple. Just replace your existing stove burner-control knobs with the Auto-Out Knobs. With the Auto-Out Knob in place, the burner can only reach a maximum heat of approximately 600 degrees F which is equivalent to around medium-high (Level 6 or 7) on the range. This is more than enough heat for typical cooking (water boils at 212 degrees F), but well below the temperature where cooking fires normally occur. Laboratory testing showed that without Auto-Out Knob, a grease fire started in approximately 11 minutes. With Auto-Out Knob installed, it took approximately 75 minutes for a grease fire to start.
The chart below provides auto-ignition temperatures of common household cooking oils. For example, canola oil auto-ignites at 795.2 degrees F. Auto-Out Knob keeps the burner at safe temperatures (approx. 600 degrees F) which is well below their auto-ignition point.
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