Grundfos ALPHA1 GO is a highly efficient circulation pump designed for easy replacement of older UPS pumps. Thanks to its improved design and smart features, it ensures reliable operation, low energy consumption, and maximum comfort for users. It simplifies installation and commissioning for plumbers – connection is possible without tools, and settings can be adjusted via the control panel or the Grundfos GO Replace app.

Construction

• Integrated motor with permanent magnets
• Robust design with ceramic shaft and bearings
• Self-venting system
• Compact size for boiler installation

Features

• Modes: proportional, constant pressure, and constant speed
• Display showing current consumption
• Automatic dry-running protection
• Ability to replicate UPS pump curves (Advanced Mode)

Usage

• Replacement of integrated and standalone UPS pumps
• Heating systems with radiators or underfloor heating
• Boilers, water heaters, small DHW systems
• Systems with TRV valves and constant flow

Thanks to its low noise level below 25 dB(A) and energy efficiency EEI ≤ 0.20, it is an ideal choice for modern homes and heating system renovations.

Can be used for:

ALPHA1 GO is a full replacement for previous models ALPHA1 and ALPHA1 L and is suitable for use in systems with radiators, underfloor heating, and boiler circuits. Its compact design also makes it ideal for installation in boilers with limited space.

Easy replacement: The Grundfos GO Replace app allows you to compare and set the replacement pump exactly according to the original model – simply scan or enter the details, and the app will offer the corresponding settings.

Tool-free installation: The power connector can be plugged in without screwing. The pump is available in versions with a length of 130 or 180 mm and connections from G1 to G2 (depending on the model).

Grundfos GO Replace App

Grundfos GO Replace is a free mobile app that helps plumbers and users quickly and correctly replace old UPS-type circulation pumps. Simply enter the details of the original pump (or scan the label), and the app will recommend a suitable replacement, including the exact settings for the ALPHA1 GO pump.

• Comparison of old and new models
• Proposal of optimal operating mode
• Online and offline use
• Available for Android and iOS