Low Pressure Switch Normally Open, Opens 6 psi. Closes 31 psi., M10 x 1.25 Thread Low Pressure Switch Normally Open, Opens 6 psi. Closes 34 psi, M10 x 1.25 Thread 84419259 - Low Pressure Switch, Normally Open Low Pressure Switch, Normally Open Low Pressure Switch, Normally Open Low Pressure, Switch Normally 47996489 - Low Pressure Switch - CNH