Grundfos 92603108 ALPHA15-55FR 1/16 HP 115V Circulator Pump

The Grundfos ALPHA15-55FR is a high-efficiency variable-speed circulator pump designed for residential and light commercial hydronic heating systems. This compact pump delivers reliable performance with a 1/16 HP motor operating on 115V power, making it ideal for radiant floor heating, baseboard heating, and other closed-loop applications.

Key Features:

• ALPHA technology with AutoAdapt feature automatically adjusts pump performance to system requirements
• Three operating modes: constant pressure, proportional pressure, and constant curve for optimal system flexibility
• Stainless steel pump housing and shaft for corrosion resistance and long service life
• Integrated check valve prevents reverse flow when pump is off
• Low energy consumption with ECM (Electronically Commutated Motor) technology
• Quiet operation with minimal vibration
• Easy installation with 1-inch NPT or sweat connection options
• 115V single-phase power supply with built-in cord

The ALPHA15-55FR model includes a flanged connection design for simplified installation and service. The intuitive control interface allows quick adjustment of operating modes to match your specific heating system needs, while the energy-efficient design helps reduce operating costs compared to traditional fixed-speed circulators.