UL 979 BULLETIN-2009
UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: June 29@ 2009)

Standard No.

UL 979 BULLETIN-2009

Release Date

2009

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2012-08

Replace By

UL 979 BULLETIN-2012

Latest

UL 979-2021

Scope

These requirements cover electrically operated water treatment appliances for household and commercial use. These appliances are intended for installation and use in accordance with the National Electrical Code@ NFPA 70@ and are rated 600 V or less. These requirements cover appliances utilizing features that treat water through the use of cation exchange water softeners@ ionization@ filters@ ultraviolet radiation@ ozone generation@ and reverse osmosis.These requirements do not cover water treatment appliances for use with pools or spas@ water distillers@ aquariums@ or other equipment connected to plumbing that is covered by individual requirements.These requirements do not cover appliances for use in hazardous locations as defined in the National Electrical Code@ NFPA 70.These requirements do not cover the aesthetic effects or the effectiveness of water treatment.?

UL 979 BULLETIN-2009 history

• 1970 UL 979-2021 UL Standard for Safety Water Treatment Appliances
• 2019 UL 979 BULLETIN-2019 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: April 3@ 2019)
• 2017 UL 979 BULLETIN-2017 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: October 9@ 2017)
• 2016 UL 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)
• 2016 UL 979 BULLETIN-2016 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: NOVEMBER 3@ 2016)
• 2016 UL 979-2016 UL Standard for Safety Water Treatment Appliances (Second Edition; Reprint with revisions through and including November 8@ 2017)
• 2015 UL 979 BULLETIN-2015 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: OCTOBER 12@ 2015)
• 2013 UL 979 BULLETIN-2013 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: DECEMBER 26@ 2013)
• 2012 UL 979 BULLETIN-2012 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: October 01@ 2012)
• 2009 UL 979 BULLETIN-2009 UL Standard for Safety Water Treatment Appliances (COMMENTS DUE: June 29@ 2009)
• 2005 UL 979 BULLETINS-2005 5/11/2005/(2p)
• 2005 UL 979 BULLETIN-2005 UL Standard for Safety Water Treatment Appliances
• 2005 UL 979-2005 UL Standard for Safety for Water Treatment Appliances First Edition
• 2004 UL 979 BULLETIN-2004 UL Standard for Safety Water Treatment Appliances