Patent ID: 8297071

Claim:
An outdoor unit of an air conditioner, comprising: a casing including a bottom frame; a shut-off valve connected to an indoor unit via a refrigerant communication pipe; and a shut-off valve mounting structure holding the shut-off valve place, the shut-off valve mounting structure including a base including two column shaped members extending upwards from the bottom frame; and a fixing portion connected to both of the two column shaped member with the shut-off valve being supported in place by the fixing portion, the base being a member configured only to fix the fixing portion to the bottom frame, the shut-off valve being connected to the refrigerant communication pipe by brazing, a space being formed laterally between the two column shaped members overall, upwardly of the bottom frame and below the fixing portion, and the base including an engaging portion engaging at least a portion of an outline of a protrusion protruding inwardly from the bottom frame towards an inside of the outdoor unit.