Brochure

High Eciency Circulator with Three Constant Pressure Control Modes
GRUNDFOS ALPHA1
Key Features and Benets
· 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 indenitely
every seven seconds in blocked rotor conditions
· ALPHA1 features an integrated check-valve and nut captures
for anges
· ALPHA1 features three-constant pressure control modes with
easy to use push button settings
· Large LED display shows energy watt consumption and
ow 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
· Available in both cast iron and stainless steel models
· ALPHA1 is compatible with either a line cord or terminal box for
conduit connections
The ALPHA1 is an energy ecient, variable-speed circulator built
with reliable, electronically controlled Grundfos permanent mag-
net 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 ow at the lowest possible
energy consumption.
The expanded ALPHA product line, including the ALPHA1 and
ALPHA2, delivers the highest range of exibility 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.
be genuine ALPHA1
APPLICATIONS
• Heating & cooling
• Hot water recirculation
ALPHA2
ALPHA1