The REEFE RMP Range of Pressure Switches is a high quality, reliable pressure with for controlling water pressure booster sets in conjunction with an expansion vessel. The pressure switch has an adjustable cut out and differential (cut in) pressure to suit your application. The switch will work with fresh water and sea water and there is a 1/4" female BSP connection, with electrical connection via screw terminals. These 2 pole N/C (normally closed) pressure switches, are suitable for single phase pumps up to 1.5 kW or as a digital signal to control 3 phase pumps using a control panel. The RMP-CONTROL Control Switch is ideal for dedicated control panel applications with N/C (Normally Closed) and N/O (Normally Open) contacts. These switches are an ideal replacement for Square D and XMP Pressure Switches.