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UL 539

Original price was: $109.42.Current price is: $54.00.

Single and Multiple Station Heat Detectors

Underwriters Laboratories , 06/23/2022

Category:
Standard By:Underwriters Laboratories , 06/23/2022
Published:06/23/2022
Please note: All interim revisions for this edition available at time of your purchase will be included.

Original price was: $286.26.Current price is: $143.00.

Single and Multiple Station Heat Detectors

Underwriters Laboratories , 04/28/2017

Category:
Standard By:Underwriters Laboratories , 04/28/2017
Published:04/28/2017
Please note: All interim revisions for this edition available at time of your purchase will be included.

Original price was: $265.46.Current price is: $132.00.

Single and Multiple Station Heat Detectors

Underwriters Laboratories , 01/30/2009

Category:
Standard By:Underwriters Laboratories , 01/30/2009
Published:01/30/2009
Please note: All interim revisions for this edition available at time of your purchase will be included.

Single and Multiple Station Heat Alarms

UL 539

1 Scope

1.1 These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with the National Fire Alarm Code, NFPA 72, Chapter 11.

1.2 These requirements do not cover electrically operated single or multiple station smoke or heat alarms.

Original price was: $255.52.Current price is: $127.00.

Single and Multiple Station Heat Detectors

Underwriters Laboratories , 01/01/2000

Category:
Standard By:Underwriters Laboratories , 01/01/2000
Published:01/01/2000
By order of the publisher, historical UL documents are not returnable for any reason. Once you place an order for an historical document, we cannot issue a refund, credit, or exchange of any kind.

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