Stored Pressure Dry Chemical Extinguishers (other than wheeled units) that were made prior to October 1984 areto be taken out of service, according to NFPA 10. This mandate first appeared in the 2007 edition of NFPA 10. The requirement remains in the 2013 edition of NFPA 10 so that areas of the country that have not adopted the latest edition will have that requirement for years to come. NFPA 10 allows for a phase-out of these extinguishers by mandating their removal at the next six-year maintenance or 12-year hydrostatic test intervals, whichever occurs first.
The listing standards for dry chemical extinguishers are UL 299 (construction) and UL 711 (fire testing). UL299 and UL711 were updated in 1984 with these five improvements, related to extinguisher operation:
Your customers deserve safe, easily operated, and effective extinguishers. Replacing obsolete extinguishers promotes safe conditions for the users and maximum fire fighting potential.
Click Here to view a PDF version
Login Required
Recover your Password