So to run a gas furnace for 2 hours per day, will cost us around 0.156 with the average price of electricity in the U.S. Most gas furnaces use less than 600 watts of electricity to run. A number of things can make an old furnace pilot light go out, including a strong draft, a faulty thermocouple or a loss of gas. An older gas furnace has a standing pilot that stays on all the time or at least, its supposed to.
#HOW MANY THERMS DOES FRNACE UPILOT LIGHT USE GENERATOR#
In these systems, the pilot will only light (in the case of hot surface igniters, the igniter surface heats) when the thermostat makes a command for heat. A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat. I know I didn’t help you much, but maybe this will spur the next respondant. A typical gas furnace usually requires a small amount of electricity to start and operate in your home. Standing pilot lights are common in older furnaces, but many newer furnaces have intermittent pilot lights or hot surface igniters. What it is in cubic feet per minute (cfm), I don’t know. Since the pilot light is MUCH smaller than a 2 foot flame (often smaller than a candle flame), it is safe to assume that the pressure (and thus flow rate) is quite small. However, if you lit the gas out of the end of the jet (without a lab burner attached) a cool flame about 2 feet long shot out. (you could turn on the gas jet and completely block the flow of the gas by pressing your finger on the opening.) This also equates to a slow flow rate. These lines put out gas at 3 psi, which is not much pressure. When I was a chemistry teacher, I had gas lines in the lab. If you have this, it is safe to turn off the pilot light (don’t blow it out and leave the gas on). (added to older models during service) This valve is usually red. Newer furnaces (and furnaces serviced recently) have a shutoff valve. If you have an older furnace, DO NOT EXTINGUISH THE PILOT LIGHT!! If you do, you will be allowing gas to “leak” withoug burning it off. This gas “trickles” out of the tube and is burned off by the pilot light. (it sounds you’re talking about a gas furnace) Older systems had pilot gas taken after the furnace regulator. So much to say, so little organization skills.įirst, it depends on the mechanism of your pilot light.
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