Grundfos domestic waterworksExpanded three years ago after the successful launch of "Scala2" Cranendfos the program around that Water works Scala1. The compact dimensions, the whisper-quiet water-cooled motor and adopted the simple operating concept. The Scala1 has that Outdoor-Protection class IPx4D (splash water from all directions).

In this way, the domestic waterworks can be installed directly and without additional housing outdoors. With the high Class and the handle integrated in the housing, the Scala1 is suitable for a variety of mobile or stationary applications in the domestic waterworks. The integrated protective functions such as motor protection, dry run protection, flooding protection after pipe bursts and leakage reports protect the pump and its surroundings from typical dangers in domestic water supply and thus ensure long and trouble-free operation of the domestic waterworks.

Well with a high gas content

For wells with a high gas content, the Scala1 has a manually switchable internal one Venting function, thus even water with gas content can be pumped safely with low volume flows. The new flow-dependent detection of the flow ensures a safe shutdown of the pump, even with the lowest volume flows.


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While the Scala1 3-45 has the performance of the typical domestic waterworks, the Scala1 5-55 covers performance ranges up to a maximum of 7 m3 / h and even exceeds the performance range more typically Jet pumps, which were often used for larger power ranges. If this performance is still not enough, two Scala1 domestic waterworks can be completed in a very short time with the optional double pump set to a turnkey double booster system. With the then possible performance range up to max. 14 m3 / h can also be used for these domestic waterworks water supply used by nurseries, in agriculture or light industrial applications.


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