Hydrotherapy installation for conventional bathtub

Claim 1

FOR ADAPTING TO THERAPEUTIC USE A BATHTUB INSTALLATION OF THE TYPE HAVING A DRAIN END AND A SIDE APRON CONCEALING AN EXTERNAL DRAIN SHOE AND DRAIN SHOE LINE WHICH COMMUNICATES BETWEEN THE TUB AND A VERTICAL STOPPERED DRAINCONTROL T, APPARATUS COMPRISING A FLOW BY-PASS T IN THE DRAIN SHOE LINE, A FIRST WATER HOSE LINE CONNECTED TO THE T, AN ELECTRIC-MOTOR POWERED RECIRCULATING PUMP EXTERNAL OF THE TUB CONCEALED IN PART BY SUCH APRON AND HAVING A PUMP INLET SIDE TO WHICH SAID FIRST WATER HOST IS CONNECTED, THE PUMP FURTHER HAVING AN OUTLER SIDE, A SECOND WATER HOSE LINE CONNECTED TO SAID OUTLET SIDE OF THE PUMP. MOTOR CONTROL MEANS TO OPERATE THE PUMP, A FLOW CONTROL VALVE FIXEDLY MOUNTED ABOVE THE TUB WATER LEVEL INWARDLY OF ITS UPPER EDGE ON THE OUTFLOW SIDE OF THE SECOND HOSE LINE, WHICH VALVE INCLUDING MEANS TO PREVENT ITS COMPLETE CLOSURE, THE VALVE HAVING A DOWNWARDLY DIRECTED OUTLET, AND A NOZZLE AERATOR ASSEMBLY MOUNTED ON THE VALVE.