Grundfos UPS15-58FC 3-Speed Cast Iron Circulator Pump 1/25 HP 115V

The Grundfos UPS15-58FC (Part No. 59896341) is a heavy-duty cast iron circulator pump designed for reliable hydronic heating and hot water recirculation applications. This Super Brute series pump features a durable cast iron construction that provides excellent corrosion resistance and long service life in demanding residential and light commercial installations.

Key Features:

• Three-speed motor (1/25 HP) allows precise flow adjustment for optimal system performance and energy efficiency
• 115V single-phase operation for standard residential electrical systems
• Flanged connection design ensures secure, leak-free installation
• Integrated check valve prevents reverse flow and system gravity circulation
• Cast iron housing and volute provide superior durability and heat dissipation
• Permanently lubricated maintenance-free motor
• Compact design fits in tight installation spaces
• Quiet operation suitable for residential environments

The UPS15-58FC is ideal for closed-loop hydronic heating systems, radiant floor heating, hot water recirculation, and snow melting applications. The three-speed capability provides flow rates from approximately 0-22 GPM with head pressures up to 16 feet, making it versatile for various system sizes and configurations. The integrated check valve eliminates the need for separate check valve installation, simplifying system design and reducing potential leak points.