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CSA/AM - ANSI Z21.10.1

Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less

active, Most Current
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Organization: CSA/AM
Publication Date: 1 January 2019
Status: active
Page Count: 261
ICS Code (Gas heaters): 97.100.20
ICS Code (Water heating equipment): 91.140.65
scope:

This Standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Clause 3, Definitions), hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials:

a) for use with natural gas;

b) for use with manufactured gas;

c) for use with mixed gas;

d) for use with liquefied petroleum gases;

e) for use with LP gas-air mixtures;

f) for recreational vehicle installation for use with liquefied petroleum gases only (see Clause 4.1.26);

g) for manufactured home (mobile home) installation convertible for use with natural gas and liquefied petroleum gases when provision is made for the simple conversion from one gas to the other (see Clause 4.1.25);

h) for recreational vehicle installation convertible for use with natural gas and liquefied petroleum gases when provision is made for the simple conversion from one gas to the other (see Clause 4.1.26); and

i) for use with combination potable water/space heating applications (see Clause 4.1.29 and Clause 3, Definitions).

This Standard also applies to water heaters incorporating heat pipe heat exchangers (see Clause 4.4, Heat pipe heat exchangers).

Direct vent water heaters anticipated by this Standard are essentially balanced flue appliances with the air intake and vent outlet in close proximity. Other designs are to be subjected to such additional tests as believed necessary at the discretion of the testing agency.

Water heaters for installation in recreational vehicles are to be of the direct vent type.

This Standard also applies to water heaters with draft hoods which are factory-equipped with automatic vent damper devices (see Clause 3, Definitions), hereinafter referred to as vent damper devices.

This Standard also applies to water heaters of other than the direct vent type which are factoryequipped with electrically operated or mechanically actuated automatic flue damper devices (see Clause 3, Definitions), hereinafter referred to as flue damper devices.

If a value for measurement as given in this Standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification, except as noted in Clauses 4.33.2 and 4.34.2.

All references to "psi" throughout this Standard are to be considered gauge pressures unless otherwise specified.

Clause 7, Items unique to the United States, contains provisions that are unique to the United States.

Clause 8, Items unique to Canada, contains provisions that are unique to Canada.

Special construction provisions applicable to a water heater designed for use with an optional listed conversion kit are outlined under Annex F, Optional provisions for listed appliance conversion kits.

Clause 2, Reference publications, contains a list of standards specifically referenced in this Standard, and sources from which these reference standards may be obtained.

In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designed normative (mandatory) or informative (non-mandatory) to define their application.

Document History

ANSI Z21.10.1
January 1, 2019
Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less
This Standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Clause 3, Definitions), hereinafter referred to as water heaters...
January 1, 2019
Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less
This Standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Clause 3, Definitions), hereinafter referred to as water heaters...
January 1, 2017
Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less
This Standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Clause 3, Definitions), hereinafter referred to as water heaters...
January 1, 2014
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less
This Standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Clause 3, Definitions), hereinafter referred to as water heaters...
March 1, 2013
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water heaters...
December 1, 2011
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings Of 75,000 Btu Per Hour Or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water heaters...
September 1, 2009
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings Of 75,000 Btu Per Hour Or Less
Preface The standards set forth herein apply to the fourth edition of the Standard for Gas Water Heaters Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu per Hour or Less, ANSI...
February 1, 2009
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings Of 75,000 Btu Per Hour Or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water...
December 19, 2007
Erratum to American National Standard/CSA Standard for Gas Water Heaters, Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour Or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water...
April 1, 2006
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water...
February 1, 2006
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water...
January 4, 2005
Gas Water Heaters Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water...
August 1, 2004
Gas Water Heaters Volume I, Storage Water Heaters with Input Ratings of 75,000 Btu per Hour or Less
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water...
January 1, 2001
Gas Water Heaters Volume I, Storage Water Heaters with Input Ratings of 75,000 Btu per Hour or Less
PREFACE The standards set forth herein apply to the second edition of the Standard for Gas Water Heaters, Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour Or Less, ANSI...
January 1, 1998
Gas Water Heaters Volume I - Storage Water Heaters with Input Ratings of 75,000 Btu per Hour or Less
PREFACE The standards set forth herein apply to the first edition of the standard for Gas Water Heaters, Volume I – Storage Water Heaters with Input Ratings of 75,000 Btu Per Hour Less, ANSI...
January 1, 1996
Gas Water Heaters, Volume I, Storage, Water Heaters with Input Ratings of 75,000 Btu per Hour or Less
PREFACE The standards set forth herein apply to the twenty-Fifty edition of the Standard for Gas Water Heater, Volume I, Storage, Water Heaters, With Input Ratings of 75,000 Btu Per Hour or Less,...
January 1, 1994
Gas Water Heaters, Volume I, Storage, Water Heaters with Input Ratings of 75,000 BTU per Hour or Less
PREFACE The standards set forth herein apply to the Twenty-Fifth edition of the Standard for Gas Water Heaters, Volume I, Strage, Water Heaters, With Input Ratings of 75,000 Btu Per Hour or Less,...
January 1, 1994
Gas Water Heaters Volume I Storage Water Heaters with Input Ratings of 75,000 BTU per Hour or Less
PREFACE The standards set forth herein apply to the twenty-Fifty edition of the Standard for Gas Water Heater, Volume I, Storage, Water Heaters, With Input Ratings of 75,000 Btu Per Hour or Less,...
January 1, 1993
Gas Water Heaters Volume I Storage Water Heaters with Input Ratings of 75,000 BTU per Hour or Less Twenty-Fifth Edition
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of storage gas water heaters with input ratings of 75,000...
January 1, 1990
GAS WATER HEATERS VOLUME I STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS TWENTY-FOURTH EDITION; ADDENDA Z21.10.1A - 1991, ADDENDA Z21.10.1B - 1992
PREFACE The standards set forth herein apply to the Twenty-Fourth edition of the Standard for Gas Water Heater, Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less,...
January 1, 1987
GAS WATER HEATERS VOLUME I STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS TWENTY-THIRD EDITION; ADDENDA Z21.10.1A - 1988, ADDENDA Z21.10.1B - 1989
This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water heaters...
January 1, 1984
GAS WATER HEATERS VOLUME I AUTOMATIC STORAGE WATER HEATERS WITH INPUTS OF 75,000 BTU PER HOUR OR LESS; ADDENDA Z21.10.1A - 1985, ADDENDA Z21.10.1B - 1986
PREFACE The standards set forth herein apply to the twenty-second edition of the Standard for Gas Water Heaters, Volume I, Automatic Storage Water Heaters With Inputs of 75,000 Btu Per Hour or Less,...

References

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