Grewa Boost 5 vs Grundfos SCALA1 3-45

Published specifications, with the source for every number that is not ours. Checked 2026-09-16.

Grewa Boost 5 ($1299)Grundfos SCALA1 3-45
What it does
Maximum head60 m45 m
Flow at 4 m head95 L/min95 L/min
Flow at 20 m head76 L/min74 L/min
Power drawn900 W900 W
Pressure you can set1.5 – 6.0 barnot verified
Maximum suction lift8 m8 m
How it is built
BodyStainless steelComposite
ImpellerStainless steelComposite
Pressure vesselIntegrated, smallIntegrated, small
Connection size1" (25 mm)1" (25 mm)
Ingress protectionIPX5IPX4
What happens after you buy it
Guarantee3 years2 years
App and monitoringIncluded (Wi-Fi)Included (Bluetooth)
Sold and supported byGrewa, directDealers and merchants

Source: Grundfos SCALA1 3-45 specifications

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