Ranco RHS-5090 Low Pressure Switch 50 PSI Open 90 PSI Close 1/4 in. SAE Temmuz 24, 20260CommentsRanco part number RHS-5090. Ranco pressure switches are designed to sense and act upon reaching a pre-set pressure threshold. Ambient Temperature: -40 to 185 deg F (-30 to 70 C).…Read More