Answer
Dec 12, 2025 - 01:39 AM
That Fasco motor number 2809-531-017M with the extra marking C-232650 points to the Suburban SF-series furnace blower motor.
The replacement to order is most likely:
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Suburban 232682 (3 inch diameter, 12 VDC) --> https://www.rvupgradestore.com/Motor-...
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232682 = 3 inch motor (used on SF-20/SF-20F, SF-25/SF-25F, SF-30/SF-30F)
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233101 = 2.5 inch motor (older/pre-2001 style on many units below the break)
If you want me to lock it down 100%, reply with the furnace model (example SF-30F) and the serial number off the furnace data plate and I will tell you which motor is correct.
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