UL 727-2018 PDF

Scope: These requirements cover oil-fired central furnaces which include forced-air furnaces of the downflow@ horizontal@ and upflow types. Floor-mounted unit heaters designed to supply heated air through ducts are covered also by these requirements. These requirements cover furnaces intended to burn standard grade fuel oils as specified in the Specifications for Fuel Oils@ ASTM D396. The oil-burning equipment covered by these requirements are intended for installation in accordance with the National Fire Protection Association Standard for Installation of Oil-Burning Equipment@ NFPA 31@ the International Mechanical Code and the Uniform Mechanical Code.

UL 727-2018 history

2018 UL 727-2018 UL Standard for Safety Oil-Fired Central Furnaces (Tenth Edition)
2012 UL 727 BULLETIN-2012 UL Standard for Safety Oil-Fired Central Furnaces
2011 UL 727 BULLETIN-2011 UL Standard for Safety Oil-Fired Central Furnaces
2009 UL 727 BULLETIN-2009 UL Standard for Safety Oil-Fired Central Furnaces
2008 UL 727 BULLETIN-2008 UL Standard for Safety Oil-Fired Central Furnaces
2006 UL 727-2006 UL Standard for Safety Oil-Fired Central Furnaces Ninth Edition
2005 UL 727 BULLETIN-2005 UL Standard for Safety Oil-Fired Central Furnaces
2000 UL 727 BULLETIN-2000 UL Standard for Safety Oil-Fired Central Furnaces
1994 UL 727-1994 UL Standard for Safety Oil-Fired Central Furnaces (Eighth Edition; Reprint with Revisions Through and Including January 18@ 1999)