A system and method for a pressure gage assembly for an expandable gas or fluid distribution system is disclosed. The pressure gage assembly comprises a pressure gage with a male connector on one face, and a female connector on an opposite face. The pressure gage assembly has a passageway connecting the male connector with the female connector. The pressure gage is coupled to the passageway. The male connector on one face can be coupled to the female connector on another device, forming a line or chain of devices.