621721 Nordyne Motor 208/230v 1/4hp 1100rpm
621721 Nordyne Condenser Motor 208/230v 1/4hp 1100rpmÂ
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 dualâ€voltage windings allow seamless integration on both 208 VAC and 230 VAC power supplies. Sleeve bearings and continuousâ€duty construction ensure years of quiet, maintenance-free operation across residential and light-commercial applications.
Key features
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Dualâ€voltage design: 208 VAC/230 VAC, 60 Hz
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1/4 HP permanent split-capacitor (PSC) motor
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Rated speed: 1 100 RPM for optimal condenser airflow
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Continuousâ€duty sleeve bearings
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Standard 5″ bolt-circle condenser frame
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1/2″ diameter shaft with flat for secure blade mounting
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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 | Singleâ€phase PSC |
| Shaft Diameter | 1/2″ (12.7 mm) |
| Shaft Length | 3″ (76 mm) |
| Mounting Bolt Circle | 5″ (127 mm) |
| Bearing | Sleeve bearing, continuousâ€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:
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Nordyne / Coleman / Comfortmaker
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Models: CPN, CNB, CKL series (2–5 ton R-22/R-410A)
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Scroll units: 48HC, 48HCB, 48H6 lines
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Amana / Ducane
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ACCP / ACC series (R-22/R-410A, 2–5 ton)
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Rooftop: RG4, SH4 (2–5 ton)
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Goodman / Intertherm
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GMH9, DMH9 (2–5 ton scroll)
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GSC, GSH rooftop units
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Cross-Reference Equivalents
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Generic PSC 1/4 HP, 1 100 RPM condenser fan motors
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Always confirm voltage and shaft dimensions match your equipment before ordering.
Ordering & Support
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SKU: 621721
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Stock Status: Available for immediate shipping
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