Automatically controls the start and stop of single-phase electric pumps up to 2.2 KW Totally replaces the traditional system consisting of pressure switch and expansion vessel. It starts the electric pump following the decrease in pressure (tap opening) and stops it when the liquid flow is interrupted at the maximum pressure of the electric pump (closing taps) Adjustable intervention pressure (digital adjustment) 1 – 2.5 bar, Max working pressure: 10 bar Max operating temperature: 60 °C Replaces the traditional system of the expansion vessel, protecting the pump in case of water shortage.
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