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Kerosene Heater Safty Guidlines

   

Follow these recommendations when buying and using a portable kerosene heater.
Use only listed heaters. Only heaters that have been tested and listed in accordance with Underwriters' Laboratories (UL) Standard 647 should be purchased and used. This listing should be shown on the name plate of the heater.

Use the correct fuel. The National Kerosene Heater Association, the American Petroleum Institute, the Consumer Product Safety Commission and others recommend only 1-K kerosene be used in these heaters. According to American Society of Testing and Materials Standard D-3699, "Standard specifications for kerosene," there are two types of kerosene fuels, 1-K and 2-K. The primary difference is sulfur content. Type 1-K contains 0.04 percent sulfur by weight and 2-K contains 0.30 percent sulfur by weight. The higher sulfur content of 2-K fuel tends to adversely affect proper fuel wicking and increases sulfur dioxide emissions. The use of 2-K kerosene creates the need for frequent wick cleaning and maintenance that, if not carried out properly, may produce a fire or explosion hazard.

The distinction between 1-K and 2-K kerosene fuels cannot be made through visual examination. The terms "water clear" or "clear white" are often used to describe the type of kerosene that can be used in the unvented heater. Although water clear or clear white kerosene may be 1-K in most cases, color should not be used as a sole indicator. The type of crude from which the kerosene is refined, temperature, aging and contamination can all cause kerosene to yellow and become darker. So if the retail dealer does not specifically market the kerosene as the 1-K type of fuel, you should assume the product is not 1-K kerosene. Find a dealer who can certify you are buying 1-K grade kerosene.

In addition, never use diesel, jet "A" fuel, No. 1 fuel oil, No. 2 fuel oil or gasoline in your heater. The use of any of these fuels could result in a fire or explosion that could cause death or injury.

Proper clearances from combustible material. The heater should be kept a minimum distance of 36 inches from all combustible materials such as curtains or furniture unless otherwise specified by the manufacturer. If fewer than 36 inches are acceptable, the manufacturer will specify on the name plate. Do not use flammable solvents, aerosol sprays or lacquers near the heater. Do not operate the heater in the same room where other flammable liquids such as gasoline are stored. Don't operate in dusty environments. The surface temperature of some units can exceed 500° F, which can ignite flammable liquids, combustible liquids, flammable vapors or grain dusts and result in a fire or explosion.

Provide required maintenance and upkeep. Consult your operator's manual for instructions or recommended maintenance and upkeep to ensure the heater's proper operation. Required maintenance should include periodically cleaning the unit, trimming the wick, cleaning off soot and carbon, inspecting for fuel leaks and other maintenance procedures recommended by the manufacturer. If you suspect the heater is not working properly, extinguish it immediately and allow it to cool. Then perform the necessary maintenance or take it to a qualified service center for repair. Don't take a chance! An improperly operating heater can result in a fire or can generate an excessive amount of the by-products of combustion: soot, carbon monoxide and sulfur dioxide.

Provide adequate ventilation. Adequate ventilation is necessary for safe operation of the kerosene heater. Burning kerosene consumes oxygen and produces carbon dioxide, sulfur dioxide, nitrogen dioxide, carbon monoxide and other gases. Ventilation must be provided to replace oxygen as well as to remove gases in order to prevent asphyxiation or respiratory problems. The manufacturer's recommendations should be followed to provide adequate oxygen for combustion; in many instances, this ma require opening a window or a door leading to another room. If no specifications are listed in the manufacturer's literature, one rule of thumb is to provide 1 square inch of window opening for each 1,000 BTUs of the heater rating. An example - a 10,000 BTU heater may require opening an outside window 10 square inches to provide the necessary air intake. In an energy efficient home, additional air intake may be necessary.

Use only as supplemental heat. The heater should never be used as the only heat source, except in an emergency situation. Don't operate it while you are asleep because heater malfunction could cause asphyxiation. Do not leave a heater unattended.

Keep the heater out of the traffic flow. Place it in areas where there is little chance someone will bump into it. UL Standard 647 requires that in the tipped over position, the burner "flame shall not continue to burn longer than 30 seconds." The standard also requires "that kerosene discharged from the reservoir or the burner shall not be ignited" as a result of the heater tip-over. Although equipment must meet a strenuous test before it is "listed" by nationally recognized testing or anizations such as UL, the equipment could fail or malfunction. So take care to prevent the potential for heater tip-overs.

Allow heater to cool before refueling. The heater should be allowed to cool for a minimum of 15 minutes before refueling. The surface temperature of many of the heaters can be as high as 500° F. Kerosene has a flash point (lowest temperature at which a liquid gives off enough vapors to form an ignitable mixture) of approximately 110° F and an ignition temperature of 410° F. If kerosene is spilled on a hot heater, it could ignite and cause a fire.

Refuel heater and store kerosene outdoors. Always refuel the cool heater outside in a well-ventilated area away from other ignition sources. Refueling should also be done in an area where small spills can be cleaned up quickly. Fuel should be stored outdoors in an approved blue safety can. "Kerosene" should be lettered on the safety can in a readily visible location. Never store kerosene in a red container that could easily be mistaken as a gasoline storage container.

Never overfill heater. When refueling the heater, leave sufficient space for fuel expansion. Follow manufacturer's refueling directions found in the owner's manual or on the name plate.

Do not let children operate or refuel the heater. Only an adult familiar with the operating and refueling procedures of the heater should be allowed to operate or refuel it.

Prevent burns. Warn children of the dangers of the hot surface temperature on the portable kerosene heater. Remember, the surface temperature of some heaters may be as high as 500° F.

Develop a pre-fire plan. Every family should take time to develop and practice a pre-fire plan. In your plan:


Install and maintain a smoke detector system. Review MU publication G01907, Residential Smoke Detectors, and install one smoke detector per living level in accordance with National Fire Protection Association Standard No. 74, Standard for household fire warning equipment.
Install and maintain a fire extinguisher. Install an approved multi-purpose dry chemical fire extinguisher in a visible and easily accessible location. Review MU publication G01906, Selecting and Using a Fire Extinguisher.
Develop an evacuation plan. An evacuation plan should be developed and practiced by all occupants to ensure safe escape from the building in the event of a fire. Use MU publication G01907, Residential Fire Protection, to assist you in developing a plan for your residence. Remember the plan is only good if everyone knows about it and has practiced it to make sure it works.

 

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