An auxiliary device for precise positioning of the female elbow of the shower faucet water supply pipe.

The wall is slotted to install the hot and cold PPR water supply pipes. The PPR water supply pipes are respectively installed with PPR inner elbows. For positioning, the auxiliary device includes a positioning base. The top of the positioning base opens a positioning hole according to the relative installation position of the PPR internal elbow. The positioning hole is designed with a bending plate according to the thickness of the PPR internal elbow and the positioning base is installed. A mini level is installed horizontally on the outer surface of the mini level, the positioning base is centered by the blisters in the mini level, the positioning base is adjusted to a horizontal position, and the PPR inner tooth elbow is extended out of the positioning hole and is flush with the bending board. Precise positioning. The utility model is convenient to manufacture, beautiful in appearance, durable, safe and reliable.