Pumps and valves supplier KSB will introduce its latest high-efficiency circulators of the Calio-Therm S NC series at this year's Bautec, SHK and IFH trade shows in Germany.
The maintenance-free glandless pumps are designed for pumping drinking water in closed circuits, which are commonly found in single-family or two-family houses as well as in larger building projects.
Like other Calio pumps, the new circulators offer a high-efficiency permanent magnet motor to achieve top efficiencies, KSB says.
With one-touch operation the flow rate can be adjusted via three speed levels. In the event of a blocked rotor the motor stops automatically, and a fault is indicated. Three LEDs display the operating status.
The new pump sets, which are available in four designs, can be supplied with either a plug or a cable. This enables electrical connection without any tools, KSB says.
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