... R407C Avaliable 4.CE Certificate Flooded Type High Efficiency Geothermal Ground Source Heat Pump Competitive ... screenEnergy Regul%25——100SecurityOverload, high voltage, wrong Phase, water, oil, antifreeze switch, high temperature protectionCompressorTypeSemi-hermetic Screw ... eliminate the stuck rotor or motor overheating; high temperature and low pressure exhaust temperature monitor and ...