Abstract: An installation of a water supply pipe and a valve connector of an ice maker includes a valve connector with an inlet tube extending therefrom which communicates with a water supply hole in the body. The inlet tube has a first flange extending inward therefrom. A sleeve is inserted into the inlet tube and includes a shank and a second flange extending outward from the first end thereof. The sleeve extends through a seal ring which contacts the inside of the inlet tube. A tube adapter is inserted into the inlet tube and includes a passage defined through the tubular portion of the tube adapter. The tubular portion includes multiple pawls. Each pawl has a hook portion. A water supply pipe is inserted into the passage and clamped by the pawls.