System Sensor Smoke Detector Life Expectancy

6 89 Revised 5 12 TECHNICAL FIELD BULLETIN USERS OF SYSTEM SENSOR SMOKE DETECTORS SERVICES EXPECTANCY OF SYSTEM SMOKE DETECTORS smoke detectors contain electronic parts Although system smoke detectors are and tested to provide a high degree of reliability individual components susceptible to unforeseen failure smoke detectors are required by NFPA 72 2010 Edition National Fire Alarm Signaling Code to undergo regular inspection testing and maintenance as in Chapter 14 This includes visual functional and sensitivity testing section 14.4.8.1 of the standard states that alarms installed in one and family dwellings not remain in service longer than 10 years from the date of this should not be interpreted to apply to system smoke detectors detectors and smoke alarms are different devices Whereas smoke alarms are to UL 217 and operate as standalone devices smoke detectors are listed to UL and only operate in conjunction with a Fire Alarm Control Panel As such they are to meet different replacement guidelines connected smoke detectors may be successfully deployed for many years and scheduled end of life replacement is prescribed Detectors may remain in operation they continue to pass the regular testing AND meet current standards and the requirements for which they are installed you have any questions regarding System Sensor products or their application call Technical Services at 800 SENSOR2 736 7672 ext 2 Ohio Avenue St Charles Illinois 60174 Phone 630 377 6580 Fax 630 377 6495 http www systemsensor com