Grundfos 99163906 ALPHA2 15-55F/LC Cast Iron Variable Speed Circulator Pump


Price:
Sale price$201.25

Description

Grundfos 99163906 ALPHA2 15-55F/LC Cast Iron Variable Speed Circulator Pump

Grundfos 99163906 ALPHA2 15-55F/LC Cast Iron Variable Speed Circulator Pump

Features:

  • The Grundfos ALPHA2 is a high-efficiency, variable speed circulator fitted with electronically commutated motor. Designed for circulating liquids in heating systems.

    It features a constant pressure control mode and a constant curve with each three settings. The factory default setting is AUTOADAPT which continuously adjusts the pump performance to the actual heat demand, i.e. the size of the system and the changing heat demand during the year. The function will find the setting that provides optimal comfort with minimal energy consumption. It contributes to fast, safe and easy commissioning.

    The intuitive one-button operation and LED display makes the selection of the settings easy. The large LED display shows the current energy consumption in Watts and estimated flow in gallons per minute.

    ALPHA2 materials and design are resistant to blockage from magnetite found in hydronic systems.

    The robust startup enables ALPHA2 to continuously attempt to restart – indefinitely – in blocked rotor conditions.

    ALPHA2 is complete with an integrated check-valve, and nut captures for flanges.

    For power connection two options are available with either line cord or terminal box for conduit connections.

Specifications:

Technical

Head max 18.05 ft
TF class 110
Approvals on nameplate ETL, FCC


Materials

Pump housing Cast iron
EN 1561 EN-GJL-150
Impeller Composite

 

Installation

Range of ambient temperature 32 .. 104 °F
Maximum operating pressure 145.04 psi
Type of connection GF
Pipe connection 1 1/2
Pressure stage PN 10
Port-to-port length 6 1/2 in


Liquid

Pumped liquid Water
Liquid temperature range 35.6 .. 230 °F
Selected liquid temperature 140 °F
Density 61.35 lb/ft³


Electrical Data

Power input - P1 5 .. 45 W
Main frequency 60 Hz
Rated voltage 1 x 115 V
Maximum current consumption 0.1 .. 0.65 A
Enclosure class (IEC 34-5) IP42
Insulation class (IEC 85) F
Motor protection NONE
Thermal protec ELEC


Controls

Pos term box

6H

 

Others

Net weight 6.91 lb
Gross weight 7.53 lb
Shipping volume 271 ft³
Sales region USA
Country of origin US
Custom tariff no. 8413.70.00.21

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