| 摘要 |
PROBLEM TO BE SOLVED: To snugly engage an engaging pawl with an engaging hole even by bending an arm of a piping push member according to a dispersion in tube diameter of a refrigerant tube or a dispersion in fixing position of the tube. SOLUTION: An engaging pawl 53 and a pawl release suppressor 54 are aligned with cutouts at the other end of a piping push member 50, and brought into contact with an arm 56 to mount refrigerant piping 41 and warm water piping 42. A protrusion 58 projected from an opposite side (rear side) in a pawl direction of the pawl 53 is provided at the suppressor 54. Even when the arm 56 is slightly bent by bringing the piping 41 or the like into contact with the arm 56 so that the pawl 1 tends to be relieved, the suppressor 54 is brought into contact with an end of an engaging hole 57 to suppress relief of the pawl 53.
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