![]() The pump is cooled by the pumped water which eliminated the need for a noisy cooling fan.The Grundfos SCALA2 is specially designed for use in domestic applications where low noise is a major consideration.After a 30-minute cooling-down period, the pump will automatically restart.If the pump overheats it immediately stops.The SCALA2 pump also has built-in thermal protection.The auto reset function can also be disabled.If more than 24 hours pass without water, the pump must be restarted manually.It will then attempt to restart every half hour for a maximum of 24 hours until water is available from the source.If the pump runs dry, the pump automatically stops. The SCALA2 pump has built-in dry-run protection.Installation of a SCALA2 is simple and can be done in a matter of minutes. With SCALA2, it is literally a matter of connecting the plumbing and power and turning on the pump. There is no need to worry about a separate pressure tank, pressure switch, electrical connections, fittings, or any other separate items. ![]() If there is no water available, the pump will stop to protect itself and restart automatically when water is available again. The anti-cycling feature prevents the pump from repeatedly starting and stopping in the event of a dripping tap or a minor leak. It's construction from corrosion-resistant materials means it can be used for ultrapure water. SCALA2 incorporates integrated speed control enabling the keeping of the perfect pressure at the taps, meaning that the pump performance will increase with increasing demand. The outlet pipe connection can be angled up to 5° to fit your existing pipe-work. The pressure switch and tank are already built into the SCALA. The Grundfos SCALA pump is compact and extremely easy to install. The Grundfos SCALA2 3-45 Constant Pressure Boost Pump
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