Grewa Boost 5 vs Grundfos SCALA2 3-45

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

	Grewa Boost 5 ($1299)	Grundfos SCALA2 3-45
What it does
Maximum head	60 m	45 m
Flow at 4 m head	95 L/min	80 L/min
Flow at 20 m head	76 L/min	57 L/min
Power drawn	900 W	550 W
Pressure you can set	1.5 – 6.0 bar	1.5 – 4.0 bar
Maximum suction lift	8 m	8 m
How it is built
Body	Stainless steel	Composite
Impeller	Stainless steel	Composite
Pressure vessel	Integrated, small	Integrated, small
Connection size	1" (25 mm)	1" (25 mm)
Ingress protection	IPX5	IPX4
What happens after you buy it
Guarantee	3 years	2 years
App and monitoring	Included (Wi-Fi)	None
Sold and supported by	Grewa, direct	Dealers and merchants

Source: Grundfos SCALA2 3-45 specifications

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