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This type of motor installed in a furnace will lower electric bills by $300.00 to $400.00 every year.

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2 comments

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    • photo of mobile7
    • In answer to the question posed by wkingkick posted here, first of all this is a blower motor for a forced air furnace and not a pump. The motor is actually sitting on the blower assembly it is normally mounted into. This is a DC variable speed motor that takes regular line voltage of 117vac and turns it into a DC supply voltage in the bottom half of the motor assembly. If you notice there are 2 connectors on the side of the motor in the lower portion. One of them is a 5 pin connector that supplies line voltage to the motor. The other connector is a 16 pin connector that supplies 24 volt control signals from the control board in the furnace. The motor can be setup to deliver several different speeds. It will also sense the load on the system and automatically increase speed to keep a constant CFM value as the air filter loads up with dirt. Due to the conversion from AC to DC and the electronic controls built into the motor it is able to operate at far lower wattage than the old standard AC permanent split capacitor motors. The greatest savings are for people that run low speed fan in the furnace 24/7 to circulate the air in the house all the time. These new motors operate on 1/3 the power that the older style motors did. In my own home I replaced a standard AC motor with a retrofit version of this type of motor. With the old motor I was using 346 watts of power on low speed to operate the furnace. With the new motor that dropped to 100 watts. My electric bill went down by $30.00/month. I hope this helps you to understand this motor a bit better.

    • said mobile7

    • 2011.05.14 at 17:56:02 PDT
    • photo of wkingkick
    • what is so special about this pump?

    • said wkingkick

    • 2011.05.14 at 08:36:59 PDT

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