Return elbow takes water back into wall to concealed volume control

For concealed showerhead installations or to U.5562NBO diverter for multi-function use (showerhead, bodysprays, handshowers)

To return water back into wall from top of U.3556X, U.3552L, U.5550L, U.5552X, U.5751LS, or U.5752X exposed therm valves