Grundfos MAGNA1 100-40 F

For professionals who need a circulator pump that gets the job done without any fuss, the Grundfos MAGNA1 is the answer. This reliable workhorse is engineered for straightforward, powerful performance in heating, cooling, and hot water systems. It stands as the perfect, energy-efficient upgrade for older pumps, giving you peace of mind and lower running costs from the moment it’s installed.

A Smart, Simple, and Versatile Pumping Solution

When your project demands a pump that is reliable, efficient, and easy to install, the Grundfos MAGNA1 100-40 F is the perfect fit. It is the go-to choice for engineers and installers who value quality and simplicity, designed to be a true "fit and forget" solution across a huge range of applications. Here at National Pumps and Boilers, we recommend it for its sheer dependability.

Its versatility is unmatched. Whether you're managing a large-scale commercial heating system, an air conditioning network, or demanding industrial heating applications, this pump delivers consistent performance. It's also ideal for large district heating and cooling networks. For domestic projects, it’s an outstanding choice for domestic hot water recirculation, ensuring comfort in every part of the home, from the basement and loft to the kitchen and living space.

The MAGNA1 offers simple system control and monitoring without unnecessary complexity. Forget difficult programming; its straightforward nine-setting control panel allows you to select the right mode and get it running in minutes. The pump communicates easily with a Building Management System (BMS) via a fault relay and digital start/stop. This gives you complete control and helps prevent downtime before it affects the building’s occupants. For a professional installation, we recommend pairing it with our high-quality pump valves and correctly sized flanges. Explore our full range of commercial circulators to find the perfect match for any system size.

Here’s what makes the MAGNA1 the right choice:

• Save on Energy Bills: High-efficiency motor and smart controls reduce power consumption.
• Simple to Set Up: Get it running in minutes with nine easy-to-select settings.
• Enjoy the Quiet: Low-noise operation makes it perfect for any installation location.
• Install and Forget: Zero maintenance design saves you time and service costs.
• Total Peace of Mind: Fault relay output alerts your BMS to any issues instantly.

Technical Specifications