... various compressors7) Specialized for heat pump8) Applications: condenser, evaporator, water-source heat pump, geothermal heatpump, water heater, air chiller, refrigerate equipment, HVAC, water chiller; whenthe material is ... oil collection4) Suitable for various connections5) Specialized for heat pump6) Save space7) More durable8) Easier installation9) Easier clean heat pump/condenser coils