FASCO
FASCO A146 Induced Draft Furnace Blower 115V 400 RPM
Induced draft furnace blower for natural-gas furnaces, 115 V AC shaded-pole motor at 400 RPM, replaces Trane models 21D340096P04, 70217986, 70218925 and X38040276047
- Direct replacement for Trane furnaces using model 21D340096P04
- 115 V AC single-phase power matches standard residential wiring
- Shaded-pole motor runs at 400 RPM for quiet induced-draft operation
- Class B insulation supports continuous duty in gas-furnace environments
- Wire-lead connection simplifies installation without special tools
Induced Draft Furnace Blower
The FASCO A146 is a replacement induced draft blower built for natural gas furnaces. It matches Trane equipment and replaces several OEM part numbers including 21D340096P04. The unit operates on standard 115V AC household current at 60 Hz.
Electrical and Motor Limits
This blower uses a single-phase shaded-pole motor rated for Class B insulation. It draws 0.35 amps at nameplate voltage and connects through wire leads. The motor runs at a fixed 400 RPM with three available speed taps.
Compatibility Deciding Factor
The 4 7/8 inch inlet diameter determines whether this blower fits the existing furnace housing. Buyers must verify that measurement against the original equipment before purchase. Builders needing a different inlet size or a higher RPM rating cannot use this model.
Highlights
- Direct replacement for Trane furnaces using model 21D340096P04
- 115 V AC single-phase power matches standard residential wiring
- Shaded-pole motor runs at 400 RPM for quiet induced-draft operation
- Class B insulation supports continuous duty in gas-furnace environments
- Wire-lead connection simplifies installation without special tools
Specifications
| Brand | FASCO |
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Questions about this item
Which version of the FASCO A146 Induced Draft Furnace Blower should I choose for a Trane furnace?
The A146 replaces Trane models 21D340096P04, 70217986, 70218925 and X38040276047; match your existing part number to confirm fit.
What does the 400 RPM rating mean once the blower is installed in a furnace?
The shaded-pole motor runs at a fixed maximum of 400 RPM, delivering the induced-draft airflow specified for compatible Trane gas furnaces.
What does the 115V AC, 60 Hz, 0.35 A rating cap in practice?
The motor draws 0.35 amps on a standard 115-volt, 60-cycle single-phase supply, limiting it to residential furnace circuits.
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