A draft inducer is a fan that is located inside of the furnace near the heat exchanger.
Oil furnace draft inducer.
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Tjernlund in line draft inducers assure positive draft when restricted boilers and furnaces poor chimneys or negative pressures in buildings prevent proper exhaust of combustion gases the venturi action starts air moving up the stack instantly keeps it moving smoothly.
In fact the draft inducer starts up 30 60 seconds before the burners are lit and continues to run throughout each heating cycle.
There are two lubrication points on most draft inducer blowers although there are sealed motors that do not require lubrication.
The other one is the traditional and older style belt drive.
Lubricating a furnace draft inducer blower also includes the motor shaft where it enters the bearing collar of the blower wheel.
The motor normally runs pretty hot.
The flue gasses are hot.
These units are quick and easy to install and completely automatic in operation.
One is the newer model of direct drive where the motor is attached directly to the fan blower.
Gasket draft inducer housing.
How does a draft inducer work.
If the inducer fan fails there s a sensor that turns off the burners.
In this sense it aids in venting your boiler or furnace.
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However there are two types of drive systems.
A draft inducer is a fan that s located inside of your furnace near the heat exchanger.
Draft inducers are designed for easy installation in a wide variety of applications including oil or gas fired furnaces water heaters and boilers.
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Every forced air furnace has a blower motor attached to a fan that circulates the air.
For venting single or multiple appliances use a control kit.
Why is there an inducer motor and blower in a gas or oil furnace.
With only the draft inducer running get a draft of 12 start the burner and the draft drops to 01 furnace is soot free unit is several years old run is only a couple feet oil fired fireing 1 35 70b nozzle.
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What is a draft inducer.
Might have something to do with it.
I wouldn t expect the draft inducer fan to have much of an effect on how much heat the furnace puts out unless it fails then it won t put out any heat at all.
While other checks and balances are being performed by your system during its start up time pre purge the draft inducer blower is in effect clearing the heat exchanger of any remaining gas left over from the previous cycle.
When your furnace begins a heating cycle the draft inducer is one of the first devices that turns on.
