Grundfos SCALA2 3-45 — 93013251 Compact Water Booster Pump 115V

Grundfos SCALA2 3-45 (93013251) Water Pressure Booster Pump 

The Grundfos SCALA2 3-45 (93013251) integrates pump, motor, sensor, controller, and tank into one sealed unit. With its variable-speed drive, it provides constant water pressure dynamically — adjusting output in real time to changes in demand. Compact, quiet, and fully sealed, it’s ideal for modern pressure-boosting needs. 

Key Features & Benefits

• All-in-one integrated design
• Variable-speed control to maintain steady pressure
• Quiet operation — typically < 57 dB
• Built-in diagnostics and dry-run protection
• Fully sealed electronics (IP6X) — no exposed components
• Quick and clean installation with minimal external parts
• Cord Length 6.56 ft

Applications

• Residential boost systems
• Overcoming weak city water pressure
• Small irrigation / sprinkler zones
• Tank-to-home systems

Specifications

The SCALA2 3-45 is a compact powerhouse — combining smart controls, quiet performance, and pressure stability in one sleek, install-friendly unit.

This item replaces: 98562818, 96860172, 96860195

Electrical
Power input P1 550 W
Rated power - P2 0.603 HP
Main frequency 60 Hz
Rated voltage 1 x 115 V
Minimum current consumption 0.2 A
Maximum current consumption 4.9 A
Enclosure type 3
Insulation class (IEC 85) F
Length of power cable 6.56 ft
Power plug US plug 115V

Technical
Rated flow 13.2 US gpm
Maximum flow 20.3 US gpm
Rated head 88.59 ft
Maximum head 147.6 ft
Primary shaft seal Carbon/Ceramic
Approvals cULus
Approvals for drinking water cULus NSF372,cULus DW NSF61
Curve tolerance ISO9906:2012 3B
Model 2
Max. pump speed 5200 rpm

Installation
Range of ambient temperature 32 .. 113 °F
Maximum operating pressure 145.04 psi
Maximum permissible inlet pressure 87 psi
Pipe connection standard ANSI B1.20.1
Type of inlet connection NPT(M)
Type of outlet connection NPT(M)
Size of suction port 1 inch
Size of outlet port 1 inch

Liquid
Pumped liquid Water
Liquid temperature range 32 .. 113 °F
Selected liquid temperature 68 °F
Density 62.29 lb/ft³

H: 11.9 inch
L: 15.9 inch
W: 7.6 inch
Weight 21.3 lb
Approvals for drinking water NSF61 & NSF372