CSA/ANSI Z21.12 : 1990 : INC : ADD B : 1994 : R2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DRAFT HOODS
Hardcopy , PDF
19-07-2021
English
01-01-2015
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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Superseded
|
| 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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