Skip Navigation Links
MenuExpand
ASSIST
   Data updated: 14 Jan 2026. Home |  About Quick Search |  ASSIST |  ASSIST Updates Document Details

Document ID:   UL103       Scroll down to access document images

Overview
Title:  Chimneys, Factory-Built, for Residential Type and Building Heating Appliances
Scope:  These requirements cover factory-built chimneys intended for venting gas, liquid, and solid-fuel fired residential-type appliances and building heating appliances in which the maximum continuous flue-gas outlet temperatures do not exceed 1000 Deg F (538 Deg C).
Status:  Active Adoption Date:  16-SEP-1991      
  Next Review Due:  29-APR-2031
4520 Doc Category:   Underwriters Laboratories (UL)  
Reaffirmation Date:  01-MAY-2021

Responsibilities
Lead Standardization Activity:  CQ  DLA Troop Support - Construction and Equipment Items of Supply Standardizat  
  Adopting Activity: CQ  DLA Troop Support - Construction and Equipment Items of Supply Standardizat
Coordination:  Full  
Navy Custodian:  YD   Naval Facilities Engineering Command  

Revision History Click on column headings for a description of column content.
MediaDocument Part DescriptionDist StmtDocument DatePagesSize
Document ImageNotice - Adoption, Tier 2A16-SEP-199112.8 KB

NOTE: It is recommended that you use Adobe Reader v7.0 or higher for optimal download performance; older versions should continue to work, but downloading large files may appear to take longer, so please be patient in those cases.


  About Quick Search  |  Contact Us  |  FAQ  |  ASSIST  |  Privacy and Security  |  Section 508 Compliance  |  Defense Standardization Program  

WARNING: UNAUTHORIZED ACCESS TO THIS UNITED STATES GOVERNMENT COMPUTER SYSTEM AND SOFTWARE IS PROHIBITED BY PUBLIC LAW 99-474 (THE COMPUTER FRAUD AND ABUSE ACT OF 1986) AND CAN RESULT IN ADMINISTRATIVE, DISCIPLINARY OR CRIMINAL PROCEEDINGS.