... ensure total resistance to atmospheric agents.HERMETIC COMPRESSORSSingle phase rotary type (mod.4.5-6.5), single phase (mod. 8) and ... 3-phase (mod.10-75) scroll type compressors, with built-in thermal overload cut-out and crankcase ... room,Applicable to hotels, villas, hospitals, cinemas, stadiums, recreations, office blocks, factories and so on. water source heat pump water heater ...