An ultra low pressure switch system for efficiently reducing switch deterioration. The ultra low pressure switch system generally includes a housing comprised of a first portion and a second portion, wherein the first portion and the second portion define a cavity between thereof, a first port fluidly connected to the housing, a diaphragm member positioned within the cavity, a first terminal positioned within the cavity, a second terminal positioned within the cavity and a spacer member positioned within the cavity and between the first terminal and the second terminal.