
ALPHA1 15-55F Circulator Pump
SKU99287256
Description
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.- 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
Type: 3-Speed, Cast Iron
Series: ALPHA1
Voltage Rating: 115
Maximum Head: 19 ft
Flow Rate: 17 gpm
Maximum Pressure: 150 psi
Amperage Rating: 0.65
Dimensions: 6-3/8 L x 3-1/2 W x 6-1/2 H in
Frequency Rating: 60 Hz
Impeller Type: corrosion-resistant material
Mounting Type: Flange
Phase: 1
Power Rating: 45 W
Temperature Rating: 36 to 230 deg F