UL 2523 BULLETIN-2009
UL Standard for Safety OUTLINE OF INVESTIGATION FOR SOLID FUEL-FIRED WATER HEATERS AND BOILERS (COMMENTS DUE: December 07@ 2009)

Standard No.

UL 2523 BULLETIN-2009

Release Date

2009

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2011-09

Replace By

UL 2523 BULLETIN-2011

Latest

UL 2523 BULLETIN-2018

UL 2523 BULLETIN-2009 history

• 2018 UL 2523 BULLETIN-2018 UL Standard for Safety Solid Fuel-Fired Hydronic Heating Appliances@ Water Heaters@ And Boilers (COMMENTS DUE: March 11@ 2018)
• 1970 UL 2523-2018
• 2012 UL 2523 BULLETIN-2012 UL Standard for Safety Solid Fuel-Fired Hydronic Heating Appliances@ Water Heaters@ And Boilers (COMMENTS DUE: AUGUST 27@ 2012)
• 2011 UL 2523 BULLETIN-2011 UL Standard for Safety Solid Fuel-Fired Hydronic Heating Appliances@ Water Heaters@ And Boilers (COMMENTS DUE: October 03@ 2011)
• 2009 UL 2523 BULLETIN-2009 UL Standard for Safety OUTLINE OF INVESTIGATION FOR SOLID FUEL-FIRED WATER HEATERS AND BOILERS (COMMENTS DUE: December 07@ 2009)
• 2009 UL 2523-2009 UL Standard for Safety Solid Fuel-Fired Hydronic Heating Appliances@ Water Heaters@ And Boilers (First Edition; Reprint with revisions through and including October 17@ 2011)