US Patent 7310963 Automatic drain docking system for HVAC module drain pipe

A mounting arrangement for an HVAC case includes a drain tube extending from the HVAC case and defining an outlet. A receiving portion extends from a docking station and is adapted to accept the drain tube in an assembled position. A first compressible material is disposed between the receiving portion and the docking station. The receiving portion is operable to deflect into the first compressible material upon slidable communication of the drain tube along a surface of the neck. A second compressible material is disposed between the drain tube and the receiving portion. The second compressible material is adapted to compress between the drain tube and the receiving portion in the assembled position.