Standard 733, Edition 4
Revision
December 13, 2005
UL 733

Standard for Oil-Fired Air Heaters and Direct-Fired Heaters

UL Revision Edition 4 Published Date: December 13, 2005 Last Revision: October 09, 2013
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$254.00

Summary of Topics s0733_4_sum.html

Summary of Topics

This revision to UL 733 is being issued to remove the reference to the withdrawal date of UL 873 and to address universal upkeep of UL Standards for Safety. These revisions are considered to be non-substantive and not subject to UL’s STP process.
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