Alpha2 15-55FR Variable Speed Circulator Pump w/ IFC, 1/16 HP, 115V
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          The 99163932 from Grundfos is a Alpha2 15-55FR Variable Speed Circulator Pump w/ IFC, 1/16HP, 115V. The Alpha2 15-55FR model is made of cast iron, has an AutoADAPT feature, and rotated flange. This pump is designed for a variety of hydronic and radiant heating applications. Direct replacement for older Alpha model 59896878.
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;
 - Rotated 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 | 

























































































































































































































