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My furnace blower stopped suddenly. I live in about 2,000sq…

My furnace blower stopped suddenly...
My furnace blower stopped suddenly. I live in about 2,000sq feet single family home. I called an HVAC technician. They arrived and installed a new motor. However, after they left I run the furnace and there is a distinct low pitch humming noise coming from the furnace. It is heard the most in the room above the furnace. It is not loud , but very distinct. It is not coming from the vent but rather from beneath the floor. I also have a feeling that there is a rapid small vibration when the fan goes on. I called the technician again. They said that it is most likely problem with the wheel and it needs to be replaced. I asked them to order a new wheel and I am waiting for them to call me back. I was wondering if the wheel may be the problem or balancing of the wheel. Also the engine they installed is a different type with a new capacitor. It doesn't start right away as the previous one , rather is starts slowly getting to full speed after a while. Is this normal?
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Answered in 3 minutes by:
12/8/2017
Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 24,231
Experience: 40+ yrs. experience as a licensed oil & gas technician.
Verified

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

Your tech's explanation sounds plausible to me. Yes it's normal for some motors to start out slowly. Could also be related to the need for a new wheel.

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Customer reply replied 6 months ago
Thank you. Sitting in my room above the furnace is like siting on motor.( it is not very loud but it is annoying) Can this be alleviated in any way?. How long it typically take to get a new wheel?. Unfortunately , the company I called are not quick with responses.

No way to know how long. Depends if the manufacturer has one in stock. Generally several days.

Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 24,231
Experience: 40+ yrs. experience as a licensed oil & gas technician.
Verified
Rick and 87 other HVAC Specialists are ready to help you
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Customer reply replied 6 months ago
Thanks

You're welcome

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