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There is probably a thermostatic control somewhere that shuts it down when some temperature limit is reached, and on again when the temperature gets too low. Alternatively there might be a fault which shows up when the furnace gets too hot.

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14y ago

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Related Questions

How do I turn the furnace off?

To turn off the furnace, locate the power switch or breaker connected to the furnace and switch it off. This will shut down the furnace and stop it from running.


How do I turn off the furnace in my home?

To turn off the furnace in your home, locate the power switch or breaker for the furnace and switch it off. This will stop the furnace from running and producing heat.


How can you test thermostat in your furnace?

Set thermostat to desired temperature; lets say, 70 degrees Fahrenheit, a few seconds will go by then the furnace should activate. Once the furnace heats the room to the set temperature the furnace should shut off.


How do you identify an electric furnace from a gas furnace?

an electric furnace runs off of 208/230 Volts while a typical gas furnace runs off of 120 also a gas furnace will have a valve for the gas relay where the gas enters the furnace.


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Carbon will not escape with the furnace off and it will only choke you because you will be breathing it carbon not oxygen. So my advice is dont turn the furnace off


How often should a furnace cycle on and off?

A furnace should cycle on and off after every 4 hours.


If you have baseboard heat and your boiler runs off the furnace can it turn off the furnace without hurting anything to save on oil you realize you will not have hot water?

have baseboard heat boiler runs off furnace want to shut off furnace to save oil will it hurt anything


Why does Furnace shut off when very cold outside?

A heat pump will do this, a furnace should not. Are you sure you have a furnace?


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Turn the thermometer switch to offTurn the electrical service switch by the furnace to offTurn off the main breakerAfter turning off the main breaker disconnect the power line to the furnace


How can I safely and effectively turn off a gas furnace?

To safely and effectively turn off a gas furnace, locate the main gas shut-off valve near the furnace and turn it to the "off" position. Additionally, turn off the power to the furnace at the breaker box. It is important to follow the manufacturer's instructions and consider contacting a professional if unsure.


In which way does a furnace filter go into the furnace?

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Why does the furnace light up and then go out?

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