The ALPHA1 is an energy efficient, variable speed circulator built with reliable, electronically controlled Grundfos permanent magnet motor (ECM) technology. Featuring three-constant pressure control modes, an LED display and easy-to-use push button controls, the ALPHA1 is the perfect solution for domestic hydronic heating and hot water recirculation applications.
$214.98
each
2 In Stock
or for lower prices and free shipping.
ALPHA1 can replace more than 30 other pump models
Cast iron flange with terminal box
ALPHA1 features the highest torque rating and most powerful start feature in its class which attempts to restart indefinitely every seven seconds in blocked rotor conditions
Designed with trusted Grundfos ECM (permanent magnet motor) technology which has been used by Grundfos for more than 15 years
ALPHA1 features three-constant pressure control modes with easy to use push button settings
Large LED display shows energy watt consumption and flow indicator in gals per minute
ALPHA1 is compatible with either a line cord or terminal box for conduit connections
Extremely quiet 19.2 dB(A) operation - Tested in one of the best European sound labs
ALPHA1 features an integrated check-valve and nut captures for flanges
Magnetite resistant design with a stainless-steel bearing plate, robust ceramic shaft and ceramic bearing rings
Specifications
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Type:Â 3-Speed, Cast Iron
Series:Â ALPHA1
Voltage Rating:Â 115
Maximum Head:Â 19 ft
Flow Rate:Â 17 gpm
Maximum Pressure:Â 150 psi
Amperage Rating:Â 0.65
Dimensions:Â 6-3/8 L x 3-1/2 W x 6-1/2 H in
Frequency Rating:Â 60 Hz
Impeller Type:Â corrosion-resistant material
Mounting Type:Â Flange
Phase:Â 1
Power Rating:Â 45 W
Temperature Rating:Â 36 to 230 deg F
Application
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Domestic hydronic heating and hot water recirculation applications