Effective October 24, 2015

Standard Information
Standard Number:
UL 127
Standard Name:
Factory-Built Fireplaces
Standard Edition and Issue Date:
9th Edition Dated April 21, 2011
Date of Revisions:
April 24, 2014
Date of Previous Revisions to Standard:
9th Edition Dated April 21, 2011
Effective Date of New/Revised Requirements

Effective Date (see Schedule below): October 24, 2015

Impact, Overview, Fees and Action Required

Impact Statement:  A review of all Listing Reports is necessary to determine which products comply with new/revised requirements and which products will require re-evaluation. NOTE:  Effective immediately, this revised standard will be exclusively used for evaluation of new products unless the Applicant requestsin writing that current requirements be used along with their understanding that their listings will be withdrawn on Effective Date noted above, unless the product is found to comply with new/revised requirements.

Overview of Changes: These revisions to UL 127 are being issued for a labeling change to chimney to improve awareness of possible fire hazard. Specific details of new/revised requirements are found in table below.

Schedule:  So that shipping of products with Listing Marks will not be interrupted, an approximateschedule has been established to ensure Listing Reports are found compliant by Effective Date:

  • February 24, 2015 = 8 Month Report Review – Intertek will review all Reports. Update if compliance is verified or issue Findings Letter/Quote for any re-evaluations needed
  • April 24, 2015 = 6 Month Quote Cut-off – Quotes returned for necessary re-evaluations
  • September 24, 2015 = 30 Day Warning – Client advised of all non-compliant Reports to be Suspended
  • October 24, 2015 = Effective Date – ATM Suspended for all non-compliant Reports

Fees:  An initial review of Listing Report (s) will be covered by a direct billing project and will be invoiced at not more than $1000 per report.

Client Action Required:

Information – To assist our Engineer with review of your Listing Reports, please submit technical information in response to the new/revised paragraphs noted in the attached or explain why these new/revised requirements do not apply to your product (s).

Current Listings Not Active? – Please immediately identify any current Listing Reports or products that are no longer active and should be removed from our records. We will do this at no charge as long as Intertek is notified in writing prior to the review of your reports.

Description of New/Revised Technical Requirements

NOTE: Additions to existing requirements are underlined and deletions are shown lined out below.

Clause Verdict Comment

New label with permanent marking is to be provided with each section of chimney pipe. The installation instructions supplied by the manufacturer, as covered by 61.2.3(a), shall instruct the installer to apply the label to all chimney pipe sections but is not required on sections that will be visible after the installation is complete. The label shall be long enough to wrap around the pipe circumference with the following "WARNING" (the WARNING’s are repeated for the entire length of the label):
Note: The symbol and word, “SUNUL127HazardWARNING," shall be boldfaced type having a minimum uppercase letter height of 0.498 in (12.65 mm).

The words, as shown above, in the boxed statement shall be boldfaced type having a minimum uppercase letter height of 0.120 in (3.05 mm). The minimum vertical spacing between lines of type shall be 0.046 in (1.17 mm). 

The wording shall be in black letters on an orange background.

Action required: A specific label is illustrated and a draft must be submitted by the manufacturer as evidence of compliance.

CUSTOMERS PLEASE NOTE: This Table and column "Verdict" can be used in determining how your current or future production is or will be in compliance with new/revised requirements.

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