Representative product-family image. The exact configuration may differ.
Grundfos
Grundfos MAGNA3 Circulator Pump Family
Variable-speed circulator pump family with external enable control and operating-status outputs.
- Model / SKU
- MAGNA3 family
- Category
- Heating & Ventilation
- Product type
- Circulator pump
- Role
- Actuator / load
Control & power
- Control type
- Dry-contact input
- Power supply
- Mains supply depends on pump variant
Use the documented start/stop input for an external contact command while retaining the pump’s normal supply. Alarm, ready and operation relay outputs are separate feedback circuits.
A suitable smart controller can expose supported functions to Matter. The control type alone does not confirm electrical compatibility or actual position feedback.
Technical specifications
Selection & installation notes
- Hydraulic sizing, voltage and regional model must be selected for the installation. This card represents the family, not one pump size.
Sources & documentation (1)
- Grundfos MAGNA3 family — manufacturer documentation ↗Reviewed Nov 5, 2026