Draft control controls4/3/2023 ![]() The draft regulator in our photo shown just above is not working - and has been deliberately jammed - indicating that something else is wrong, probably a chimney problem or an oil burner operating problem: the technician was unable to get enough draft, so s/he defeated the regulator - this is not a good idea, as we'll explain below. The service technician adjusts the weight to control the swing or opening of this door which in turn controls the amount of excess air that can enter the flue and chimney when the oil burner is operating. ![]() The face of the tee contains a round "door" with an adjustable weight. On oil fired equipment the barometric damper, or draft regulator is typically a round Tee inserted in the flue vent connector between the heating appliance and the chimney. ![]() The barometric damper or draft regulating device we are discussing here is normally used only on oil-fired heating equipment, not on gas-fired equipment. Define Barometric Damper or Draft Regulatorīarometric dampers are devices used to regulate the draft on oil-fired heating equipment such as furnaces, boilers, or
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