Water Heater Exhaust Vent Blower Assembly 100109785 100109785

Brand: AO Smith · Fits: 10 models · Reference price: $932.23

100109785 is a AO Smith replacement part (water heater exhaust vent blower assembly 100109785). Our fitment data lists 10 models that use it.

When to replace this part

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

All 10 confirmed models for this part.
ModelBrandApplianceParts on file
640YBVIT100Reliance27
640HBVIT101Reliance25
840HAVIT101Reliance25
840YAVIT100Reliance25
GPVH50101AO Smith25
GS650YBVIT2State24
650HBVIT101Reliance23
850HAVIT101Reliance23
850YAVIT100Reliance21
GPVR50100AO Smith15

Part numbers it replaces

The manufacturer lists 100109785 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

Other parts for model 640YBVIT100

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

Reference price and where to compare

The reference price on file for this part is $932.23. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

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Before you order

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