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  • ANSI Z21.12 : 1990 : INC : ADD B : 2012 : R2000

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    DRAFT HOODS

    Available format(s):  Hardcopy, PDF

    Superseded date:  19-07-2021

    Language(s):  English

    Published date:  01-01-2015

    Publisher:  Canadian Standards Association

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    Table of Contents - (Show below) - (Hide below)

    PART I - CONSTRUCTION
    1.1 Scope
    1.2 General
    1.3 Inlet and Outlet Connections
    1.4 Materials
    1.5 Assembly
    1.6 Installation Instructions
    1.7 Marking
    PART II - PERFORMANCE
    2.1 General
    2.2 Test Gases
    2.3 Strength
    2.4 Pilot Gas Venting Test
    2.5 Draft Hood Operation
    2.6 Marking Material Legibility Test
    Exhibit A - Recommended Procedure for Safety Inspection
                of an Existing Appliance Installation
    Exhibit B - List of Reference Standards
    PART III - MANUFACTURING AND PRODUCTION TESTS
    PART IV - DEFINITIONS
    APPENDIX - Table of Conversion Factors
    LIST OF Z21 SERIES OF AMERICAN NATIONAL STANDARDS FOR
     GAS APPLIANCES AND GAS APPLIANCE ACCESSORIES

    Abstract - (Show below) - (Hide below)

    Describes separately constructed draft hoods for appliances needing venting. Used with natural, manufactured, mixed and liquefied petroleum gases, and LP gas-air mixtures or with manufactured natural, and mixed gases.

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    Document Type Standard
    Product Note Reconfirmed EN
    Publisher Canadian Standards Association
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ASME PTC19.3 : 1974(R2004) PERFORMANCE TEST CODE - PART 3: TEMPERATURE MEASUREMENT
    NFPA 54 : 2018 NATIONAL FUEL GAS CODE
    NFPA 211 : 2016 CHIMNEYS, FIREPLACES, VENTS, AND SOLID FUEL-BURNING APPLIANCES
    ANSI Z223.1 : 2018 NATIONAL FUEL GAS CODE
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