Product Description
The ALPHA1 is an energy efficient, variable-speed circulator built with reliable, electronically controlled Grundfos permanent magnet motor (ECM) technology. Featuring three-constant pressure control modes, an LED display and easy-to-use push button controls, the ALPHA1 is the perfect solution for domestic hydronic heating and hot water recirculation applications.
Grundfos Variable-Speed Circulator, High-Efficiency, Series: Alpha 1, 21 gpm, 15 mm Inlet, 15 mm Outlet, 5 to 45 W, 115 VAC, 0.1 to 0.65 A, 60 Hz, 145.04 psi Maximum, Composite Impeller, Surface Mount, 32 to 104 deg F Ambient, IP42, 3.82 in W x 6.38 in D x 6.5 in H
Features
- ALPHA1 can replace more than 30 other pump models
- ALPHA1 features the highest torque rating and most powerful start feature in its class which attempts to restart indefinitely every seven seconds in blocked rotor conditions
- Designed with trusted Grundfos ECM (permanent magnet motor) technology which has been used by Grundfos for more than 15 years
- ALPHA1 features three-constant pressure control modes with easy to use push button settings
- Large LED display shows energy watt consumption and flow indicator in gallons per minute
- ALPHA1 is compatible with either a line cord or terminal box for conduit connections
- Extremely quiet 19.2 dB(A) operation - Tested in one of the best European sound labs
- ALPHA1 features an integrated check-valve and nut captures for flanges
- Magnetite resistant design with a stainless-steel bearing plate, robust ceramic shaft and ceramic bearing rings
- Cast iron flange with terminal box
Cross-reference:
Grundfos: UP15-10F, UP15-42F, UPS15-42F, UPS15-58FC;
Taco: 005-F2-3, 006-F7, 007-F5-5, 008-F6-1, 008-F6-3, 00R-F6-1, 00R-MSF, 0015-MSF3-1, 007e, 0015e;
B&G: NRF-9F/LW, NRF-22, NRF-25, NRF-9F/LW, Ecocirc 19-14 vario, Ecocirc 19-14 auto;
Armstromg: Astro 20, Astro 25, Astro 30, Astro 230CI-R, Astro 250CI-R, Compass 20-20;
WILO: Star S 16FX, Star S 21FX, Star S 21RFC, Stratos ECO 16 RFC;
Grundfos: UP15-10F, UP15-42F, UPS15-42F, UPS15-58FC;
Taco: 005-F2-3, 006-F7, 007-F5-5, 008-F6-1, 008-F6-3, 00R-F6-1, 00R-MSF, 0015-MSF3-1, 007e, 0015e;
B&G: NRF-9F/LW, NRF-22, NRF-25, NRF-9F/LW, Ecocirc 19-14 vario, Ecocirc 19-14 auto;
Armstromg: Astro 20, Astro 25, Astro 30, Astro 230CI-R, Astro 250CI-R, Compass 20-20;
WILO: Star S 16FX, Star S 21FX, Star S 21RFC, Stratos ECO 16 RFC;
