Rough-in assembly for free-standing faucet

A rough-in assembly for free-standing faucets having at least a part thereof being fixed under a floor comprising:

• a base connected under the floor;
• a first water-contact member which is connected to a top surface of the base and composed of a first water inlet, a first water outlet, a first water passage formed between the first water inlet and the first water outlet, and a first control valve set disposed on the first water passage for control of a water flow passed through the first water passage;
• a second water-contact member which is connected to the top surface of the base and composed of a second water inlet, a second water outlet, a second water passage formed between the second water inlet and the second water outlet, and a second control valve set disposed on the second water passage for control of a water flow passed through the second water passage;
• and
• a sleeve mounting seat connected to the top surface of the base and having a top plate portion which is extending across the first water-contact member and second water-contact member and provided with two first hollow-out holes corresponding to the first control valve set and the second control valve set respectively.