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Grundfos ALPHA1 15-55F/LC Cast Iron Circulator Pump w/ Line Chord- 99285998

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Price: $154.70
Item Number: 99285998
Manufacturer Name: Grundfos
Manufacturer Part No: 99285998

Grundfos ALPHA1 15-55F/LC Cast Iron Circulator Pump w/ Line Chord- 99285998
  • Cast Iron 
  • 115V
  • Line Chord

Product name ALPHA1 15-55F/LC
Product No.


Head max 18.05 ft
TF class 110
Approvals on nameplate ETL, FCC
Pump housing Cast iron
Pump housing EN 1561 EN-GJL-150
Impeller Composite
Range of ambient temperature 32 .. 104 °F
Maximum operating pressure 145 psi
Pipe connection 1 1/2
Pressure stage PN 10
Port-to-port length 6 1/2 in
Type of connection GF
Pumped liquid Water
Liquid temperature range 35.6 .. 230 °F
Liquid temperature during operation 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
Pos term box 6H
Net weight 6.22 lb
Gross weight 7.15 lb
Shipping volume 9.18 ft³
Sales region USA


GRUNDFOS ALPHA1 is a complete range of circulator pumps with integrated differential-pressure control enabling adjustment of pump performance to the actual system requirement.

The pumps are energy-optimised and comply with the requirements of the EuP directive EuP 2015.

Installing an ALPHA1 pump will reduce power consumption considerably, lower noise from thermostatic valves and similar fittings and improve the control of the system.


  • High-efficient motors EuP 2015 ready.
  • Suitable for installation in existing systems.
  • Low-noise operation.
  • Built-in electrical and thermal protection of the pump.
  • Simple setting and operation in a very compact design.
  • Plug and play with patented cable plug for safe and easy connection.  

*The ALPHA1 is made at our Grundfos manufacturing plant in Fresno, California.*

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