Circulator Pump 115V, 1/25 HP | 3-Speed | NBK-20940

NBK-20940 – Circulator Pump, 115V, 1/25 HP, 3-Speed  The NBK-20940 Circulator Pump is a dependable, high-efficiency pump built for outdoor boilers, radiant floor heating, and general hydronic heating systems. Designed for versatility, this model features three adjustable speeds to fine-tune water circulation, improve energy efficiency, and balance system performance. It serves as a direct replacement for popular Grundfos models, offering quiet, consistent operation and long-lasting reliability. Key Features: • 3-Speed Control – Easily adjustable to meet the precise circulation requirements of your heating system, ensuring optimal efficiency • Robust Construction – Built for continuous operation under demanding outdoor boiler conditions • Quiet, Smooth Performance – Reduces system noise while maintaining strong, consistent flow • Standard Flange Design – Fits seamlessly into standard system configurations for quick, easy replacement Specifications: • SKU: 20940 • Voltage: 115V • Horsepower: 1/25 HP • Speed Settings: 3-speed adjustable • Application: Outdoor boiler systems, radiant floor heating, and general hydronic heating systems Equivalent Models: • Grundfos: UPS15-58FC Why Choose the NBK-20940 Circulator Pump? The NBK-20940 provides outstanding flexibility and efficiency for residential or light commercial heating applications. Its three-speed motor allows for customizable flow control, helping reduce energy usage and optimize system performance. Compatible with Grundfos UPS15-58FC models, it ensures reliable operation, quiet performance, and extended service life—making it a smart choice for homeowners and professionals alike.