F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
F24H 9/20 (2006.01) F23N 5/02 (2006.01) F24D 19/10 (2006.01)
Patent
CA 2251390
A furnace system has the efficiency improved the addition of a second thermostat which measures the temperature in the heating chamber of the gas furnace and controls the heating element so that it is deactivated when it reaches its normal maximum operating temperature and is reactivated at a predetermined temperature drop of the order of 10°F. The second thermostat is set in installation by providing a manually operable adjustment for the set maximum temperature which is adjusted when the furnace reaches its normal maximum operating temperature to cause the thermostat to deactivate the heating element and to activate a visual indicator light when the thermostat is tripped. The minimum temperature is adjusted automatically with the maximum temperature so as to maintain the fixed temperature drop.
Ade & Company
Marion Jacques L.
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