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ANSI Z21.12 : 1990 : INC : ADD B : 1994 : R2015

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

DRAFT HOODS
Available format(s)

Hardcopy , PDF

Superseded date

07-19-2021

Language(s)

English

Published date

01-01-2015

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

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.

DocumentType
Standard
Pages
32
ProductNote
Reconfirmed EN
PublisherName
Canadian Standards Association
Status
Superseded
SupersededBy
Supersedes

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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US$510.00
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