The Grundfos SCALA2 3-45 is a premium all-in-one water booster pump engineered to deliver constant water pressure for residential applications. With its compact footprint, ultra-quiet operation, and smart performance, it’s the perfect solution for homes needing reliable water flow—even when multiple taps and appliances are in use.
Key Features & Benefits
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Constant Pressure Technology
Automatically adjusts performance to maintain steady pressure, even with simultaneous water usage.
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Compact, All-in-One Design
Integrates pump, motor, tank, sensor, drive, and non-return valve—making installation fast and simple.
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Whisper-Quiet Operation
Operates at just 47 dB(A)—ideal for both indoor and outdoor setups.
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Self-Priming Functionality
Draws water from depths of up to 26 feet (8 meters)—perfect for use with rainwater tanks or shallow wells.
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Energy Efficient
Intelligent control system optimizes performance, minimizing energy consumption.
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Durable & Safe
Equipped with dry-run protection and made from corrosion-resistant materials for long-term reliability.
Technical Specifications
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Max Head: Up to 45 meters (148 feet)
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Max Flow Rate: Up to 10 GPM
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Max System Pressure: 145 PSI
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Connections: 1" NPT inlet/outlet
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Operating Temperature: 0°C to 45°C (32°F to 113°F)
Ideal For:
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Homes with multiple bathrooms or high water demand
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Rainwater harvesting systems or underground storage tanks
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Properties with low or inconsistent municipal water pressure
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Indoor or outdoor installations where low noise is important
Why Choose the SCALA2?
The SCALA2 combines advanced performance, energy efficiency, and user-friendly design in one sleek package. It’s one of the most versatile and reliable booster pumps on the market—backed by Grundfos’ reputation for quality and innovation.
Upgrade Your Water Pressure Today
Invest in the Grundfos SCALA2 3-45 and enjoy consistent, quiet, and efficient water pressure throughout your home. Whether you’re dealing with poor municipal supply or looking to optimize a rainwater system, SCALA2 is the smart solution.
Product Dimensions
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Height: 18"
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Length: 20"
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Width: 10"
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Weight: 22 lb
