A hydrotherapy apparatus 2 comprising at least one door 12, affixed thereto, operable between an open condition in which access is provided to an interior of the apparatus 2 and a closed condition in which access is prevented to an interior of the apparatus, wherein the apparatus 2 is provided with a door closing mechanism having a first engagement condition and a second engagement condition wherein movement of the mechanism from the first engagement condition to the second is arranged to draw the door 12 against a frame 352 to which it abuts.