In addition to complying with the other requirements in this standard@ water treatment equipment intended for use treating the water of swimming pools or spas shall comply with the requirements in this Supplement. The requirements in this Supplement amend corresponding requirements in the main body of this standard.
UL 979 BULLETIN-2015 history
1970UL 979-2021 UL Standard for Safety Water Treatment Appliances
2019UL 979 BULLETIN-2019 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: April 3@ 2019)
2017UL 979 BULLETIN-2017 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: October 9@ 2017)
2016UL 979 CRD-2016 UL Standard for Safety Water Treatment Appliances - Section / Paragraph Reference: 25.3 Subject: Alternate requirements for parts subjected only to pump generated water pressure (Edition 2: September 29@ 2016)
2016UL 979 BULLETIN-2016 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: NOVEMBER 3@ 2016)
2016UL 979-2016 UL Standard for Safety Water Treatment Appliances (Second Edition; Reprint with revisions through and including November 8@ 2017)
2015UL 979 BULLETIN-2015 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: OCTOBER 12@ 2015)
2013UL 979 BULLETIN-2013 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: DECEMBER 26@ 2013)
2012UL 979 BULLETIN-2012 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: October 01@ 2012)
2009UL 979 BULLETIN-2009 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: June 29@ 2009)