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Standard 873, Edition 12

Standard for Temperature-Indicating and -Regulating Equipment

UL CSDS Proposal
Standard 873, Edition 12 Edition Date: September 20, 2013
Summary of Topics b0873_12_20130920_sum.html

Subject 873

Bulletin Dated: September 20, 2013

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Temperature-Indicating and -Regulating Equipment, UL 873, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Section 53A would be added covering a long term holding test for two position actuators used on smoke and leakage rated dampers.

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