C2-07 Emerson BFK305S Bidirectional Filter Drier for Bus Heat Pump AC

The C2-07 Emerson BFK305S bidirectional filter drier is a professional purification component tailor-made for bus heat pump HVAC systems equipped with four-way reversing valves. Unlike ordinary single-flow filter driers, its internal symmetric dual filtration & drying structure can keep efficient purification performance no matter refrigerant flows forward (cooling mode) or reversely (heating mode).

In heat pump bus AC, refrigerant switches flow direction frequently when switching cooling and heating. Conventional one-way driers will lose filtering function in reverse circulation, letting moisture and metal impurities damage four-way valves and compressors. Emerson BFK305S solves this pain point, providing full-cycle protection for the whole refrigeration loop all year round.