Can Someone Tell Me What Exactly this is Called

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Old 01-07-15, 07:31 PM
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Can Someone Tell Me What Exactly this is Called

Name:  2015-01-07 21.18.43.jpg
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I know it has something to do with the heating / cooling system. The heater will shut off, but this device will keep humming. Sometimes, too, it appears off (no sound). Just want to know if there is anything to worry about. Home is a constant temperature, which is great. (sub zero temps in MN).
 
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Old 01-07-15, 08:09 PM
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Welcome to the forums.

Kind of hard to tell what it is but it looks like some type of duct booster fan. They're sometimes used to increase the airflow in a long duct or to an area far away from the furnace.
 
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Old 01-07-15, 08:14 PM
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Thanks a lot! I also found this picture and have been trying to figure out what it was via google searches but nothing is hitting on that model #: Name:  2015-01-07 21.55.09.jpg
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thanks for your help!
 
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Old 01-07-15, 08:21 PM
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You won't find a product linked to that motor as it's a Dayton motor which is sold either as a universal replacement or a general purpose motor. That same motor could be used in many different applications.

Maybe a picture further away or from a different angle would help.
 
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Old 01-07-15, 08:33 PM
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I can tell you this, that whoever installed it was a hack. Notice the blue masking tape on the duct and notice the missing cable clamp and connection box cover where the electrical cable attaches.

It MAY be part of a whole house ventilation system and is controlled by a time clock somewhere. I suggest following the power cable to see where it connects as well as following both ducts to see where they go.
 
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Old 01-07-15, 08:34 PM
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Here are some different pictures that might help:

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Name:  2015-01-07 22.32.25.jpg
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Old 01-07-15, 08:47 PM
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I can see it's drawing air in from the duct with the blue line and discharging into the duct with the red arrow.

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Last edited by PJmax; 01-07-15 at 09:09 PM. Reason: added picture
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Old 01-07-15, 08:49 PM
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Ok, I think I have discovered what it was based on this great tip:

"I suggest following the power cable to see where it connects as well as following both ducts to see where they go."


These sets of pictures are in my laundry room and on the other side of the wall is a bathroom. One of the power switches in there turns this fan off and on, so it's a bathroom fan it appears.

You can hear this blower come on an off from the switch in the bathroom. That power cord coming out of the blower unit itself heads towards that power switch too.

Turned the switch off and the blower stopped. Makes sense that this isn't directly a part of the whole heating system as the house is nice and warm (it's -6 outside).

Learning experience. I am not ashamed to say that DIY/ home improvement is a skill set I lack and one in others I really admire.
 
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