Alpha2 15-55F Variable Speed Circulator Pump w/ IFC, 1/16 HP, 115V

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The 99163903 from Grundfos is a Alpha2 15-55F Variable Speed Circulator Pump w/ IFC, 1/16HP, 115V. The Alpha2 15-55F model is made of cast iron and has an AutoADAPT feature. This pump is designed for a variety of hydronic and radiant heating applications. Direct replacement for older Alpha model 59896877.

Cross-reference:
Grundfos: UP15-10F, UP15-42F, UPS15-58FC;
Taco: 005-F2-2, 007-F5, 008-F6, 00R-MSF, 0015-MSF3
B&G: NRF-22, NRF-9F/LW
Armstrong: Astro 230CI, Astro 250CI, Astro 20, Astro 25, Astro 30
WILO: Star S 16F, Star S 21F, Star S 21RFC, Stratos ECO 16 RFC.

Features:

New and improved version of Grundfos bestselling Alpha circulator;
AutoADAPT feature allows the circulator to adapt to changes in the hydronic system to maximize energy savings;
Push button allows to select between AutoADAPT, constant speed (3 settings - Hi/Med/Low) or constant pressure (3 settings) modes;
Large LED display;
Built-in check valve;
Insulation jacket and (2) gaskets (O-rings) included;
Permanent magnet motor technology with robust startup enables pump to restart indefinitely when rotor is blocked;
Cast iron body for closed-loop heating applications;
Standard flange accepts Grundfos GF15/26 and other brand flanges;
Hardwire model;
Made in the USA.

Technical Specifications:

Voltage: 115V;
Amperage: 0.65A;
Hertz: 60;
Phase: 1;
Watts: 5 - 45W (depending on mode selected);
Wiring: Hardwired;
Temperature Range: 36°F - 230°F;
Max Pressure: 150 psi;
Flow range: 0 - 21 GPM;
Head Range: 0 - 19 ft of head;
Material: Cast Iron;
Application: Heating only.

Warranty:

1 year from the date of installation

Product Specs
Amperage:	0.65A
Application	Heating only.
Flow Range:	0 - 21 GPM
Head Range:	0 - 19 ft of head
Hertz:	60
Material1	Cast Iron
Max Pressure:	150 psi
Phase:	1
Temperature Range	36°F - 230°F
Voltage	115V
Watts:	5 - 45W (depending on mode selected)
Wiring:	Hardwired

Views: 8263
Model: 99163903
MPN: 99163903
Availability: Discontinued
Usually ships: Upon availability