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oil furnace |
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oil furnace [′ȯil ‚fər·nəs] (mechanical engineering) A combustion chamber in which oil is the heat-producing fuel. Oil furnace A combustion chamber in which oil is the heat-producing fuel. Fuel oils, having from 18,000 to 20,000 Btu/lb (42–47 megajoules/kg), which is equivalent to 140,000 to 155,000 Btu/gal (39–43 megajoules/liter), are supplied commercially. The lower flash-point grades are used primarily in domestic and other furnaces without preheating. Grades having higher flash points are fired in burners equipped with preheaters. Domestic oil furnaces with automatic thermostat control usually operate intermittently, being either off or operating at maximum capacity. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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150 for each qualified natural gas, propane or oil furnace or hot water heater; and The next breakthrough in manufacturing processes occurred in 1943 with the introduction of the oil furnace process. The cap is $50 for an advanced main air circulating fan, $150 for a natural gas, propane, or oil furnace or hot water boiler, and $300 for any other energy-efficient building property (such as a heat pump). |
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