Grundfos 93013250 Scala2 3-45 Water Booster Pump 208-230V NEMA 6-15 Plug

The Grundfos Scala2 3-45 is a fully integrated, self-priming water booster pump designed to deliver constant pressure in domestic applications. This compact all-in-one system combines pump, motor, variable-speed controller, pressure sensor, expansion tank, and non-return valve into a single sealed unit, eliminating the need for separate components.

Key Features:

• 0.603 HP permanent magnet motor (ECM) with variable-speed control maintains constant pressure regardless of flow demand
• Delivers up to 20.3 GPM maximum flow with maximum head of 147.6 feet
• Supports up to 8 taps simultaneously, even with multiple showers running
• Ultra-quiet operation: 47 dB(A) during normal use, 53 dB(A) at full load
• Self-priming capability lifts water from depths up to 26 feet
• Built-in sensor continuously monitors discharge pressure and automatically adjusts pump speed
• Water-cooled motor ensures low noise and efficient heat dissipation
• 1-inch NPT male inlet and outlet connections
• 208-230V single-phase power with NEMA 6-15 plug and 6.56-foot power cable

Protection Features:

• Automatic dry-run protection with auto-reset function
• Overload and lock-up protection prevents motor burnout
• Maximum operating pressure: 145 PSI
• Enclosure Type 3 rated for indoor and outdoor installations
• Temperature range: 32°F to 113°F

Ideal for pressure boosting from city mains, wells, roof tanks, ground tanks, and break tanks in homes up to 3 floors. The Scala2 requires minimal maintenance and is cULus approved for drinking water (NSF61, NSF372). Its compact design and intelligent controls make it easy to install and operate while delivering energy-efficient, reliable performance.