SCALA2 3-45 AVCBDF 1x115V 60Hz Pressure Boosting PumpGrundfos 98562818 SCALA2 3 45 AVCBDF 1x115V 60Hz Pressure Boosting Pump The Grundfos SCALA2 is a fully integrated, self priming, compact waterworks for pressure boosting in domestic applications, such as one and two family houses and apartments. SCALA2 incorporates integrated speed control which allows maintaining a perfect pressure in the taps. If exposed to dry running, water shortage or excessive temperature, blocked pump, for example in case of