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Grundfos 99287250 Alpha 21 gpm 1-16 hp Stainless Steel Recirc Pump

Original price $303.00 - Original price $307.95
Original price
$303.00 - $307.95
Current price $303.00


buy discounted Grundfos pumps on saleGrundfos Alpha1 is a High Efficiency Circulator Pump with 3 Pressure Control Modes

Key Features

The ALPHA1 is a variable-speed, energy efficient circulator pump and includes a reliable, digitally-controlled permanent magnet motor (ECM). This technology has been used by Grundfos in the industry for more than 16 years. It features 3 constant pressure control modes, an LED display and easy push-button controls. The ALPHA1 is the ideal solution for domestic hot water recirculation and hydronic/radiant space heating applications. The ALPHA1 has the highest torque rating and most powerful startup in its class. The durable magnetite design, robust ceramic shaft and stainless steel bearing plate means you get the optimal system flow at very low energy consumption. ALPHA1 and ALPHA2 both offer the highest range of flexibility and feature options for many applications. The ALPHA1 and ALPHA2 is made by Grundfos with the highest manufacturing standards in Fresno, California, USA.Grundfos Alpha1 is made in USA.

Additional Features

• In blocked rotor conditions, ALPHA1 attempts to restart indefinitely every 7 seconds
• Integrated check-valve and nut captures for flanges
• Large LED display shows energy watt consumption and GPM flow indicator
• Extremely quiet 19.2 dB(A) operation
• Use either a line cord or terminal box for conduit connections
• Pump components are manufactured by Grundfos in USA


Housing Material: Stainless steel or cast iron options
Flow, Q: max. 21 gpm (80 lpm)
Head, H: max. 19 ft. (5.8 m )
Liquid Temperature range: 36°F to 230°F (2°C to 110°C)
Maximum Working Pressure: 150 PSI
Wattage range: 5 to 45
Motor Voltage: 115 V
Max Amperage: 0.65 A
Weight: 5.745 lbs
Dimensions: 6.5 x 6.5 x 3.44 inches
Certifications: ETL, NSF 61, NSF 372. Canadian ICES-003

Grundfos model number ALPHA1 15-55 SF/LC