Hi we are relatively new to sailing and have recently bought a 2000 Hunter Legend 340. We are having difficulties working out the function of the two stop cocks in the floor of the aft most starboard locker. The most aft one and the larger bore of the two is labelled waste and the other comes from the output of the macerator. The specific reason we are looking at these is that the macerator is tripping out and we are trying to fault find and resolve. Thanks in advance.