... (mod.10-75) scroll type compressors, with built-in thermal overload cut-out and crankcase heater, mounted on rubber vibration ... material.REFRIGERANT CIRCUITCopper tube connection with charge valves, filter, thermostatic expansion valve (capillary for mod. 4.5-14), gas-liquid separator, ... discharge connectors, air vent valve, mod.4.5-30 the user side is complete also with expansion vessel, water pump and ...