Self-Serve Pressure SensorOne of our most popular sensors monitors your Self Serve high pressure cycles in real time to increase efficiencies or check for malfunctions. Instant notifications for virtually ALL malfunctions or failures. Helping to recapture lost revenue with drastically decreased response times. Some of the possible malfunctions include, but are not limited to are: blown or leaking hoses, cracked fittings, pump or solenoid failures, gun, wand, pressure