Re: What is this thing?

[The Daring Dufas <the-daring-dufas@xxxxxxxxxxxxxx>]

G. Morgan wrote:
> [x-posted to a.h.r]
>
> Anyone know what this part is?
>
> On Fri, 29 Jan 2010 18:24:24 -0800 (PST), Nicko
> <nervous.nick@xxxxxxxxx> wrote:
>
>> But I know someone here will know how to answer this:
>>
>> What is this whirlygig thingie in my furnace?  It spins around and
>> makes a whistling sound while the furnace is firing up, then shuts
>> itself off and sits idle until the next cycle.
>>
>> Apparently someone else in my building seemed to think it was useless,
>> and tore it off of their furnace because of the whistling sound,
>> because I saw an identical part that had been broken off a furnace and
>> tossed into the alley behind our building.
>>
>> http://www.kriho.com/arandomk/whirlygiggie-heater-thingie.jpg
>>
>> Apparently this is part of an "inducer motor" and I fear for the
>> health of whomever tore this piece off of their furnace and threw it
>> away.
>> .
>> What is it inducing?  The air current through the exhaust, or the air
>> current through the venturi?
>>
>> Also, is there any sort of schedule that is recommended or mandated
>> for inspection of flues?  (I live in a rented apartment in Cicero,
>> IL).
>>
>> If someone could direct me to the correct NG I would be grateful.

The plastic wheel is the cooling fan for the draft inducer motor.
Removing it won't let any CO into the home, it will only shorten
the life of the draft inducer motor. If the motor dies, the furnace
will cease to function.

TDD