Rheem 51-21854-17 1/6 HP Motor, 1075RPM (208/230V) Blower Motor

<p>The <strong>Rheem 51-21854-17 1/6 HP Motor, 1075RPM (208/230V) Blower Motor</strong> is a Rheem blower motor for HVAC repair and replacement work. Use it when the part number <strong>51-21854-17</strong> and the listed specifications match the equipment being serviced.</p><p>1/6 HP Motor Specifications: Number of Speeds: 1 Run Capacitor (uF/V): 3/370 FLA at 230V (A): 0.75 Shaft Diameter: 1/2" Motor Body Diameter: 5-5/8" Overall Shaft Length: 3-11/16" Motor Body Length: 5-9/16" Overall Motor Length: 7-1/4" Mounting: Shell-band Bearing Type: Sleeve Drive Type: Direct Drive</p><h3>Key Specs</h3><ul><li><strong>Voltage:</strong> 208V, 230V</li><li><strong>Horse Power:</strong> 1/6</li><li><strong>RPM:</strong> 1075</li><li><strong>Phase:</strong> 1</li><li><strong>Product Type:</strong> Blower Motor</li></ul><h3>Expert Verdict</h3><p><strong>Reviewed by the SuperArbor Pro Desk:</strong> choose this part when the existing component label and unit documentation match 51-21854-17 and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.</p><h3>FAQs</h3><h4>What is the Rheem 51-21854-17 used for?</h4><p>It is a blower motor for compatible Rheem HVAC equipment. Match the part number 51-21854-17 and the equipment service literature before ordering or installing.</p><h4>Which specs should I verify before purchase?</h4><p>Verify the spec set shown for this part: Voltage: 208V, 230V; Horse Power: 1/6; RPM: 1075; Phase: 1; Product Type: Blower Motor. The replacement should match the existing component and the unit documentation.</p><h4>Does the electrical rating need to match exactly?</h4><p>Yes. Confirm voltage rating 208V, 230V against the failed component label. Do not substitute a different rating unless the equipment manufacturer allows it.</p><h4>Is this an OEM-style replacement part?</h4><p>Use it as a direct replacement only when Rheem documentation lists 51-21854-17 or an approved equivalent for the unit being serviced.</p><h4>Who should install this HVAC component?</h4><p>A qualified HVAC technician should install and test the blower motor. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.</p><h3>Safety and Installation Notes</h3><p>Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.</p>