Range Hood Ventilator Motor For: NuTone SM555 ERSM555

ERP SM555 Range Hood Ventilator Motor

This ERP replacement single-speed ventilator motor is intended for compatible NuTone range hood applications. It can restore ventilation when the original motor is worn, noisy, intermittently operating, electrically open, or otherwise confirmed defective. Match the complete appliance model, original motor, shaft, rotation, mounting, wiring, and plug before ordering.

Compatible Part Numbers

• SM555
• ERSM555

Key Features and Specifications

• Application reference: NuTone.
• Speed: Single speed.
• Rated speed: 3000 RPM.
• Shaft diameter: 7/32 inch, flat.
• Shaft length: 2 inches.
• Rotation: CCW when viewed from the shaft end.
• Leads: 9 inches with 120 VAC plug.
• Verify stack and mounting arrangement against the original motor and service documentation.

Fixes These Symptoms

• Range hood ventilator does not run.
• Fan runs intermittently or stops unexpectedly.
• Motor is noisy, vibrates, or turns slowly.
• Ventilation is weak after the fan wheel, duct, and controls are confirmed.
• Visible motor damage or an electrically open winding.

These symptoms may also be caused by switches, controls, wiring, fan wheels, bearings, obstructions, or blocked ductwork. Diagnose the appliance before replacing the motor.

Compatible Models

Fits various models. Please verify compatibility with us before ordering. The NuTone brand reference does not guarantee fitment to every model.

Compatible Brands

NuTone.

Installation Guidance

1. Disconnect electrical power before service and verify the circuit is de-energized.
2. Record the original motor wiring, plug, shaft orientation, rotation, mounting, fan wheel, and hardware before removal.
3. Confirm the shaft dimensions, rotation, plug, mounting arrangement, and appliance model against the original and service documentation.
4. Inspect the fan wheel, housing, duct, switch, wiring, and bearings for obstructions or damage before installation.
5. Secure connections and route wiring away from moving or hot components.
6. Reinstall covers, guards, and the fan wheel before restoring power. Test for correct rotation, airflow, noise, and safe operation.
7. Use a qualified technician when electrical wiring, appliance access, or compatibility is uncertain.

ERP replacement part. Confirm the full appliance model and original part number before ordering.