Brochure
Grundfos ALPHA2 is versatile and ecient whether you use one of its seven
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%, and in AUTOADAPT mode, will automatically analyze
the heating system, nd the optimum setting, continue to adjust its operation
to changes in demand, and reduce power consumption by up to 85% ensuring
the lowest possible energy consumption without sacricing comfort.
High-Eciency Circulator
GRUNDFOS ALPHA2
• Simple push button control enables the ALPHA2 to be programmed in
one of 3-constant speed, 3-constant pressure, or AUTOADAPT control
modes. The current operating mode is always visible on the ALPHA2’s
LED display
• The large LED display shows the current energy consumption in Watts
and estimated ow in gallons per minute
• For installation, you have the exibility to use either our unique
ALPHA Plug with line cord or the ALPHA2 with terminal box for
conduit connections
• ALPHA2 is complete with an integrated check-valve, foam insulation
jacket for CI only, and nut captures for anges. ALPHA2 comes in both
cast iron and stainless steel models
• Robust startup enables the ALPHA2 to continuously attempt to restart
– indenitely – in blocked rotor conditions
• ALPHA2 can be used as a replacement for more than 30 competitor
pump models
KEY FEATURES AND BENEFITS
The Grundfos ALPHA2 circulator and AUTOADAPT are predicated on:
• 65 years of hydronic experience of how pumps work in countless
applications and operating environments
• 15 years of ECM motor experience in the market
• ALPHA2 materials and design resist blockage from magnetite and iron
oxide particles found in closed hydronic systems
• ALPHA2 is made at our Grundfos manufacturing plant in Fresno, California
APPLICATIONS
• Heating and cooling
• Hot water recirculation