18916-0040 Replacement Pressure Switch - 40 PSI. Compatible Series: 31595-Series, 31600-Series, 31620-Series, 31630-Series. Pressure switch, 40 PSI. Features include IP54 rating (Specification Met: IEC 60529), push-button actuator, clamp connector, normally-closed contact, operation mode ON-NONE-ON, and compatibility for marine/boat use. Package Weight (0.07 kg) and package dimensions provided; unit intended as replacement part for Jabsco systems. WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.