A compressor apparatus (100) having a first compressor head (102) for generating a first gas flow and a second compressor head (104) for generating a second gas flow with a shuttling by-pass component (108) in fluid flow communication between the first and second compressor heads (102, 104) for allowing the output of a portion of either the first gas flow or the second gas flow to be diverted to the other compressor head (102, 104) is disclosed.
