Grundfos Alpha pumps are a culmination of years of pump manufacturing experience, combining the best features of Grundfos circulators into a single pump while remaining easy to operate. The ALPHA 15-55FR is a variable speed circulator designed to provide consistent flow in a wide variety of applications. Constructed of Cast Iron, the Alpha is designed to provide year after year of reliable use.
Durable Cast Iron Construction
The Grundfos ALPHA 15-55FR is crafted from cast iron, which gives the pump both extended lifespan and protection against corrosion.
Preset Performance Modes
Grundfos Alpha pumps come with a number of preset operation modes, designed to simplify the integration of the pump into your hydronic system.
Unique ALPHA plug cord
A unique composite cable is used to power the Grundfos Alpha, allowing power and data to be transmitted over the line.
Large, Easy-to-Read Display
The integrated bright LED-lit display allows at-a-glance readings of either flow rate or power consumption.