A combined liquid flow tube alignment and liquid sensing system includes flow tube mounting and alignment hardware including a clip for fastening the hardware to a substrate; and a sensor for sensing integrated with the liquid flow tube mounting and alignment hardware, wherein fluid flowing through a flow tube mounted and aligned by the flow tube The flow tube mounting and alignment hardware includes a clip with internal periphery edges sized to match the external periphery edges of at least one sensing element associated with the sensor. At least two posts located at outer members of the clip above and below the tube. Posts are sized to be located ideally within a system to position and retain the outer diameter of liquid flow tube with respect to internal periphery edges of the clip and subsequently, the sensing element both horizontally and vertically. A center flexing member associated with the clip. A slot to accurately position/retain and apply a controlled force to an area of the tube located at the center of the sensing element.