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  1. DuraTech chimney is tested and listed for continuous operation at 1000° F flue gas temperatures, one hour at 1400° F and ten-minutes at 1700° F, in accordance with the UL 103 test standard.

  2. Q&A: Complimentary Online Access to UL Standards

    Apr 29, 2019 · UL is now offering complimentary online access to UL Standards. Online access to our more than 1,400 UL Standards makes it even easier for those helping to support safe …

  3. Download UL 103 In PDF - International Technical ...

    Oct 15, 2010 · UL 103 - Factory-Built Chimneys for Residential Type and Building Heating Appliances Please note: All interim revisions for this edition available at time of your purchase …

  4. UL 103 - Unbound PDF - Engineering & Industrial Standards

    UL 103 – Factory-Built Chimneys for Residential Type and Building Heating Appliances Please note: All interim revisions for this edition available at time of your purchase will be included.

  5. UL 103 PDF - Engineer Documents Center

    Oct 15, 2010 · UL 103 - Factory-Built Chimneys for Residential Type and Building Heating Appliances Please note: All interim revisions for this edition available at time of your purchase …

  6. UL 103 PDF Download - International Engineer Standards Online

    UL 103 - Factory-Built Chimneys for Residential Type and Building Heating AppliancesPlease note: All interim revisions for this edition available at time of your purchase will be included. …

  7. DuraTech Chimney (5”-8” Dia) is a complete chimney system tested and listed to UL 103 HT for the United States, and ULC 604 in Canada. In the U.S., DuraTech 5”-8” Chimney can be used …