Tempstar Variable Speed Blower Motor Kit for T9MPV050F12A2 — 1/2 HP ECM | Ships Today
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Overview
This is a genuine OEM variable speed blower motor kit (part number 1173048) for the Tempstar T9MPV050F12A2 variable-speed gas furnace. The 1/2 HP ECM (electronically commutated motor) drives the indoor blower wheel, delivering conditioned air through the supply ductwork at precisely modulated speeds for quiet, efficient, even comfort. As a variable speed ECM it ramps smoothly instead of cycling full-on/full-off, improving humidity control and reducing noise. Common failure symptoms include the blower not starting, intermittent operation, loud humming or grinding from worn bearings, weak airflow, or the furnace control flashing a blower/motor fault code. The kit includes the motor and the components needed for a complete replacement.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1173048 |
| Description | Blower Motor Kit (MTR BLR KIT) |
| Type | Variable Speed ECM |
| Brand | Tempstar (ICP / Heil) |
| Horsepower | 1/2 HP |
| Application | Furnace Blower |
| Fit | OEM Replacement |
Compatibility
Engineered as a direct OEM replacement for the Tempstar T9MPV050F12A2 variable-speed gas furnace. This motor kit is shared across ICP-family equipment (Tempstar, Heil, Comfortmaker, and related Carrier/ICP variable-speed platforms). Always confirm part number 1173048 against your furnace data plate or existing motor before installing.
Installation Guide
- Safety First — Disconnect power at the furnace switch and breaker; verify zero voltage with a multimeter before touching any wiring.
- Access — Remove the lower blower compartment service panel.
- Document — Photograph the motor wiring, the ECM control connector, and the blower wheel position on the shaft before disconnecting anything.
- Remove — Disconnect the motor harness and control plug, loosen the blower wheel set screw, pull the wheel, then unbolt the motor from the blower housing.
- Install — Mount the new motor, reinstall the blower wheel at the documented depth, torque the set screw to the flat, and reconnect the harness exactly per your photos.
- Test — Restore power, run a heating and a cooling call, and confirm the blower ramps smoothly through its speed stages with no vibration or noise.
Signs You Need a Replacement
- Blower fails to start or starts intermittently on a call for heat or cool
- Loud humming, buzzing, or grinding indicating worn bearings
- Weak or inconsistent airflow at the registers
- Furnace control board flashing a blower/ECM motor fault code
Shipping & Returns
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days