UL 733 BULLETIN-2009
UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters

Standard No.

UL 733 BULLETIN-2009

Release Date

2009

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2011-09

Replace By

UL 733 BULLETIN-2011

Latest

UL 733-2019

Scope

These requirements apply to oil-fired air heaters and direct-fired heaters.?Requirements for the installation and use of oil-burning equipment are included in the Standard for the Installation of Oil-Burning Equipment@ NFPA 31.

UL 733 BULLETIN-2009 history

• 2019 UL 733-2019 UL Standard for Safety Oil-Fired Air Heaters and Oil-Fired Direct-Fired Heaters (Fifth Edition)
• 2018 UL 733 BULLETIN-2018 UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters (COMMENTS DUE: APRIL 9@ 2018)
• 2012 UL 733 BULLETIN-2012 UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters
• 2011 UL 733 BULLETIN-2011 UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters
• 2009 UL 733 BULLETIN-2009 UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters
• 2008 UL 733 BULLETIN-2008 UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters
• 2005 UL 733 BULLETINS-2005 CSDS 11/4/05 (6p)
• 2005 UL 733 BULLETIN-2005 UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters
• 1993 UL 733-1993 UL Standard for Safety Oil-Fired Air Heaters and Direct-Fired Heaters Fourth Edition; Reprint with Revisions Through and Including 12/13/2005