The Century 939L (555JXPL6-7638, 3255) Electric Hot Water Circulator Pump Motor is a durable and efficient single-phase motor designed specifically for hot water circulation systems. Operating at 1725 RPM, 115V, 60Hz, and drawing 2.5 amps, this 48Y Frame motor delivers smooth, dependable performance for continuous-duty applications. Featuring automatic thermal protection, sleeve bearings, and an Open Drip Proof (ODP) design, it provides quiet operation, effective cooling, and long-lasting service. The special red paint finish resists corrosion in warm, humid environments, making it ideal for residential or light commercial hydronic heating systems. Key Features Genuine Century OEM circulator pump motor for reliable hot water system performance 115V, 1725 RPM, single-phase operation for standard hydronic applications Automatic thermal protector prevents overheating and extends motor life Open Drip Proof (ODP) enclosure for effective air cooling 48Y Frame ensures secure and direct pump mounting Sleeve bearings for smooth, quiet, maintenance-free operation Durable red-painted finish for corrosion resistance in damp or heated environments Continuous-duty rated for 24/7 operation Energy-efficient design for long-term reliability Specifications Part Numbers: 939L, 555JXPL6-7638, 3255 Brand: Century Type: Hot Water Circulator Pump Motor Voltage: 115V AC Speed: 1725 RPM Amperage: 2.5A Service Factor: 1.00 S.F. Phase: Single-phase Frequency: 60Hz Frame Size: 48Y Frame Enclosure: Open Drip Proof (ODP) Bearings: Sleeve bearings Rotation: Reversible (CW/CCW) Duty: Continuous Thermal Protection: Automatic reset Finish: Red corrosion-resistant coating Compatible Applications: Ideal for hot water circulation systems, hydronic heating pumps, and boiler recirculation systems from major brands using a 48Y Frame, 115V, 1725 RPM motor such as Bell Gossett, Taco, and Armstrong. Why Choose This Item Choose the Century 939L (555JXPL6-7638, 3255) Circulator Pump Motor for quiet, efficient operation, OEM-quality performance, and long-lasting durability. Its automatic protection, corrosion-resistant finish, and continuous-duty design make it the perfect replacement motor for reliable hot water circulation in residential and light commercial heating systems.