Grundfos at DOMIS: circulation pumps, pump connection fittings.
Reference families: ALPHA2.
What this selection offers
Hydraulic selection comes before comparing features or external size. Match the pump and connection fittings to the circuit, checking the operating fluid and mounting dimensions. A familiar model family does not replace a flow and head calculation.
What to check before choosing
- Required flow and head.
- Mounting length, connection sizes and permitted fluid.
- Control mode, power supply and compatible fittings.


