621721 Nordyne Condenser Motor 208/230v 1/4hp 1100rpm Product Description The 621721 is a genuine Nordyne PSC condenser fan motor engineered for outdoor split-system and packaged HVAC units. Its 1/4 HP, 1 100 RPM output delivers dependable airflow through condenser coils, while the dual‐voltage windings allow seamless integration on both 208 VAC and 230 VAC power supplies. Sleeve bearings and continuous‐duty construction ensure years of quiet, maintenance-free operation across residential and light-commercial applications. Key features Dual‐voltage design: 208 VAC/230 VAC, 60 Hz 1/4 HP permanent split-capacitor (PSC) motor Rated speed: 1 100 RPM for optimal condenser airflow Continuous‐duty sleeve bearings Standard 5″ bolt-circle condenser frame 1/2″ diameter shaft with flat for secure blade mounting Operating ambient: –40 °F to 140 °F (–40 °C to 60 °C) Technical Specifications Specification Detail Part Number 621721 Voltage 208/230 VAC, 60 Hz Horsepower 1/4 HP Speed 1 100 RPM Motor Type Single‐phase PSC Shaft Diameter 1/2″ (12.7 mm) Shaft Length 3″ (76 mm) Mounting Bolt Circle 5″ (127 mm) Bearing Sleeve bearing, continuous‐duty Capacitor External run capacitor required (not included) Operating Temp Range –40 °F to 140 °F (–40 °C to 60 °C) Enclosure Totally enclosed, ventilated Weight 3.2 lb (1.45 kg) Compatibility This OEM motor directly replaces Nordyne 621721 and fits a broad range of condensing units and rooftop packages from these brands: Nordyne / Coleman / Comfortmaker Models: CPN, CNB, CKL series (2–5 ton R-22/R-410A) Scroll units: 48HC, 48HCB, 48H6 lines Amana / Ducane ACCP / ACC series (R-22/R-410A, 2–5 ton) Rooftop: RG4, SH4 (2–5 ton) Goodman / Intertherm GMH9, DMH9 (2–5 ton scroll) GSC, GSH rooftop units Cross-Reference Equivalents Generic PSC 1/4 HP, 1 100 RPM condenser fan motors Always confirm voltage and shaft dimensions match your equipment before ordering. Ordering & Support SKU: 621721 Stock Status: Available for immediate shipping