Grundfos MAGNA1 40-100 F

When you need a pump that just works, the Grundfos MAGNA1 40-100 F is your reliable partner. Built on the trusted technology of the premium MAGNA3 range, it’s the dependable heart of your system without complicated controls, making it the perfect replacement for older, energy-guzzling pumps. It's one of our most popular commercial circulators for good reason.

The design is simple: give professionals an easy-to-install pump that’s effortless to operate and built to last. Its robust cast-iron housing and maintenance-free, canned-rotor design mean you can fit it and forget it, saving time and preventing callbacks. Its whisper-quiet operation is another bonus.

The MAGNA1’s versatility makes it an invaluable asset for any project. It handles everything from large-scale central heating and commercial air-conditioning to domestic hot water recirculation. Basic system control is handled via a simple fault relay and digital start/stop input, giving you peace of mind without a complex BMS setup.

The MAGNA1 is perfectly suited for:

• Commercial heating & air conditioning
• Domestic heating & hot water recirculation
• District heating & cooling systems
• Industrial heating applications

Key Benefits at a Glance:

• Slash Your Energy Bills: With its best-in-class energy efficiency, this pump significantly reduces electricity consumption.
• Fit and Forget Reliability: Simple to install and maintenance-free, saving you time and hassle on the job.
• One Pump, Many Jobs: A true all-rounder for heating, cooling, and domestic hot water applications.
• Whisper-Quiet Operation: So quiet, you’ll hardly know it’s there.
• Easy System Monitoring: Keep an eye on performance with the simple fault relay and digital start/stop input.

Technical Specifications

For enhanced control, consider pairing your pump with Grundfos GO Remote for wireless communication. We also stock a full range of compatible flanges and accessories to complete your installation.