Grundfos 99287256 - ALPHA1 15-55F ECM High Efficiency Circulator Pump with Terminal Box - 1/16 HP

The ALPHA1 is an energy efficient, variable-speed circulator built with reliable, electronically controlled Grundfos permanent magnet motor (ECM) technology, which has been used by Grundfos in the industry for more than 16 years. 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.

Capable of replacing more than 30 other pump models, the ALPHA1 has the highest torque rating and most powerful start feature in its class.
A magnetite resistant design, robust ceramic shaft and stainless steel bearing plate ensure that the ALPHA1 reliably delivers the optimal system flow at the lowest possible energy consumption.

The expanded ALPHA product line, including the ALPHA1 and ALPHA2, delivers the highest range of flexibility and feature options to meet the
needs of many applications. All components of the ALPHA1 and ALPHA2 are produced by Grundfos with our highest manufacturing standards – the
ALPHA product line is built by Grundfos in Fresno, California. Not all circulators are created equal.

Features

ALPHA1 can replace more than 30 other pump models
Designed with trusted Grundfos ECM technology which has been used by Grundfos for more than 16 years
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
ALPHA1 features an integrated check-valve and nut captures for flanges
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 gallons per minute
Magnetite resistant design with a stainless-steel bearing plate, robust ceramic shaft and ceramic bearing rings
Extremely quiet 19.2 dB(A) operation – tested in one of the best European sound labs
ALPHA1 is compatible with either a line cord or terminal box for conduit connections

Specifications

Product Number: 99287256
Model ALPHA1 15-55 F
Cast iron flange with terminal box
Applications: Heating & cooling, hot water circulation
Rated Flow: 10.7 US gpm
Rated Head: 8.202 ft
Maximum Head: 18.05 ft
TF Class: 110
Approvals: ETL, FCC
Model: A
Pump Housing Material: Cast iron
Impeller Material: Composite

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Collection: Variable

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99287256 - ALPHA1 15-55F ECM High Efficiency Circulator Pump with Terminal Box - 1/16 HP