Grundfos ALPHA1 Instructions page 16

Min./Max.
0 °C / +55 °C
< 43 dB(A)
30
Max. 50% Glycol
Max. 10 mm ² /s Viscosity
75 °C 95°C
0.005 MPa 0.05 MPa
0.05 bar 0.5 bar
31