The Fairchild M24 is a snap-action pneumatic relay that delivers Near Zero Throttling and Pilot Staging that results to meet user's application. This minimizes the effects of supply pressure variation and compensates for output pressure droop under flow conditions. It also isolates the diaphragm from the main flow to eliminate hunting and buzzing. Furthermore, it integrates a balanced supply valve with control Sensitivity of 1/8" water column.