Grundfos 99163903 ALPHA2 15-55F Cast Iron Circulator Pump with Terminal Box

Description

Grundfos ALPHA2 The next generation of energy efficient circulators. Grundfos ALPHA2 is versatile and efficient whether you use 1 of its 7 speed or pressure control settings or simply leave it on the factory setting AUTOADAPT. The ALPHA2 with its ECM motor design reduces energy consumption by 50%. In AUTOADAPT mode, the pump will automatically analyze the heating system, find the optimum setting, continue to adjust its operation to changes in demand, ensuring the lowest possible energy consumption without sacrificing comfort.

• Built-in motor protection for longer life and better performance
• Suitable for a wide range of applications, including radiant heating, hydronic heating, fan coil heating, solar and other system types
• Whisper-quiet operation for sound sensitive installations
• Check-valve is included, standard flange orientation, terminal box electrical connections