Grundfos ALPHA1 pumps are high-efficiency circulators, designed for circulating liquids in heating systems. With an energy efficiency index (EEI) at the ErP benchmark for most efficient circulators it contributes to energy savings. The ideal choice for basic functionality needs.
The pump also features three control modes - each with three settings: proportional-pressure control, constant-pressure control & constant-curve mode.
The display shows the actual power consumption in Watts. LEDs indicate the actual operating status.
The pump has a ceramic shaft and radial bearings, carbon thrust bearing, stainless-steel rotor can, bearing plate and rotor cladding, composite impeller, all of which contribute to long life. The pump is self-venting through the system, which contributes to easy commissioning. The compact design featuring pump head with integrated control box and control panel fits into most common installations.
The pump housing is made of stainless steel for applications where the media requires this, e.g. avoiding corrosion when used in domestic hot-water systems.
The motor is a synchronous permanent-magnet/compact-stator motor characterized by high efficiency. The pump speed is controlled by an integrated frequency converter incorporated in the control box.
