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Model SPS 42.22A I— 4^ NPT Fining 2z• I"NPT talk Pknp Iixiig (4®90° sPaaig) Sensor mounlinp 3- FRP bell bracket couPling (20W. paclrg) v NPT 2Y manway Liiting bolt pattern hang es Not shwvn: 22' beam gasket ane naunteg haldatee Use Mennsy Extensions For Deeper Burlel Depth u �..r Piping Sump piping Sump Sensor Model PSS The piping sump provides secondary containment for a submersible pump leak and also provides a termination point for double-wall piping systems. As an optional accessory, O/C Tanks pro- vides a piping sump sensor for continuous electronic monitoring of the piping sump. The sump sensor consists of a float switch (normally closed) housed in a protective plastic casing. The float switch is activated after a 21r accumula- tion of liquid in the bottom of the piping sump—approximately 12 gallons of liquid. To improve the sump sensor sensitivity, add 2" of gravel to the bottom of the piping sump. With gravel, the sensor is activated by approximately five gallons of liquid. It gravel is used in the sump bottom, wrap the sump sensor sides and bottom with filter fabric to prevent small stones or grit from entering the sensor casing. 23 The float has a rounded bottom to minimize the possibility of freezing the float in less than 2" of standing water. The sensor features a trip rod, which is used to test the float switch in the installed condition. The sump sensor is compatible with the optional electronic control panels supplied by O/C Tanks. All electrical components for the piping sump sensor are U.L. listed. In the event the piping sump sensor detects product in the piping sump, OIC Tanks recommends that the power to the submersible sump be disconnected. This can be performed automatically by providing an electrical feed- back circuit from the monitoring system to disengage the sub- mersible pump. Periodically (once per year) test the piping sump bottom for leaks using 2" of standing water for 24 hours. �)3