Click or scroll to zoom Tap or pinch to zoom Square D 9013FSG2J20M4 Pressure Switch Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $24.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Water or Air Pressure Switch used to control electrically driven motors Diaphragm Actuated Low Pressure Cut Off - operates approximately 10 psi below cut-in