... point, the switch turns on/off automatically.l Optional Automatic reset, Manual reset as well as Auto/Manual ... reset.l Pressure and pressure differential adjustable.l Suitable mediums for HFC, HCFC ... , compressed air , water and oil.l M12 x 1.25 connecting.l Medium ... – 30.4Fixed1.6 – 2.0 Pressure controller with automatic reset and manual reset