A mixer valve (1) having a body (2) and adapted to be connected to two fluid supplies. The mixer valve (1) has at least one connector (6) comprising a housing (8); a fluid delivery tube (10) within the housing, the fluid delivery tube (10) having at least one aperture (22); a slider (16) arranged around and slideable over the delivery tube (10) and having an interior chamber (18) in fluid communication with an interior (20) of the delivery tube by means of the at least one aperture (22); and a fluid inlet (14) connected to the slider (16) at an angle thereto, the fluid inlet (14) being connectable to a fluid supply pipe. The fluid inlet (14) is in fluid communication with the chamber (18), and the housing (8) has an external opening (12) within which the fluid inlet (14) is located and movable.