Alpha2 15-55F/LC model is a cast iron variable speed circulator with Line Cord & AutoADAPT feature, designed for use in a variety of hydronic and radiant heating applications.
Note: this model replaces older Alpha model 59896832.
Cross-reference:
Grundfos: UP15-10F, UP15-42F, UPS15-42F, UPS15-58FC
Taco: 005-F2-2, 006-F7, 007-F5-5, 008-F6-1, 008-F6-3, 00R-F6-1, 0015-MSF3-1
B&G: NRF-25, NRF-9F/LW, Ecocirc 19-14 vario, Ecocirc 19-14 auto
Armstrong: Astro 230CI-R, Astro 250CI-R, Compass 20-20
WILO: Star S 16FX, Star S 21FX, 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 hydronci system to maximize energy savings;
• Push button allows to select between AutoADAPT, constant speed (3 settings - Hi/Med/Low) or contant 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;
• Model with US standard 3-prong Line Cord;
• Made in the USA.

Technical Specifications:

• Voltage: 115V;
• Amperage: 0.65A;
• Hertz: 60;
• Phase: 1;
• Watts: 5 - 45W (depending on mode selected);
• Wiring: Line Cord w/ Plug;
• 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