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CSA/AM - ANSI Z21.56/CSA 4.7

GAS-FIRED POOL HEATERS SEVENTH EDITION

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Organization: CSA/AM
Publication Date: 1 January 1991
Status: inactive
Page Count: 110
scope:

PREFACE

This publication represents a standard for safe operation, substantial and durable construction, and acceptable performance of gas-ñred pool heaters. It is the result of years of experience in the manufacture, testing, installation, maintenance, inspection and research on appliances designed for the utilization of gas. There are risks of iqjury to persons inherent in some appliances that, if completely eliminated, would defeat the utility of the appliance.

The provisions in this Standard are intended to duce euch risks while retaining the n o d function Of the appliance, Nothing in this standard is to be considered in any way as indicating a measure of quality beyond compliance with the provisions it contains. It is dedgned to allow compliance of gas-fired pool heaters, the construction and performance of which may exceed the various provisions specified herein. In its preparation, full recognition has been given to possibilities of improvement through ingenuity of design. As progress takes place, revisions may become necessary. When they are believed desirable, recommendations should be forwarded to the Chairman of Accredited Standards Committee Z21,8601 East Pleasant Valley Road, Cleveland, Ohio 44131.

safe and satisfactory operation of a gas-fhd pool heaters depends to a great extent upon its proper installation, and it should be instaiied in accordance with the National Fuel Gas Code, ANSI Z223.1, manufacturers' installation instructions, and lacal municipal building codes 

Document History

ANSI Z21.56/CSA 4.7
January 1, 2019
Gas-fired pool heaters
A description is not available for this item.
ANSI Z21.56/CSA 4.7
January 1, 2017
Gas-fired pool heaters
A description is not available for this item.
ANSI Z21.56/CSA 4.7
January 1, 2014
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters (see Clause 3, Definitions), hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for...
ANSI Z21.56/CSA 4.7
January 1, 2014
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters (see Clause 3, Definitions), hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for...
ANSI Z21.56/CSA 4.7
March 1, 2013
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters (see Part IV, Definitions), hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for...
ANSI Z21.56/CSA 4.7
March 1, 2011
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters (see Part IV, Definitions), hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for...
ANSI Z21.56/CSA 4.7
December 8, 2008
Gas-Fired Pool Heaters
A description is not available for this item.
ANSI Z21.56/CSA 4.7
May 1, 2008
Gas-Fired Pool Heaters
Preface The standards set forth herein apply to the third edition of the Standard for Gas-Fired Pool Heaters, ANSI Z21.56-2006 • CSA 4.7-2006, and supersede corresponding standards therein....
ANSI Z21.56/CSA 4.7
January 1, 2006
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters, hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for heating nonpotable water...
ANSI Z21.56-2001/CSA 4.7-2001
January 1, 2001
Gas-Fired Pool Heaters
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of storage a gas-fired pool heater. It is the result of...
ANSI Z21.56/CSA 4.7
January 1, 2001
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters (see Part IV, Definitions), hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for...
ANSI Z21.56/CSA 4.7
January 1, 2001
Gas-Fired Pool Heaters
Preface The standards set forth herein apply to the second edition of the Standard for Gas-Fired Pool Heaters, ANSI Z21.56-2001 CSA 4.7-2001, and supersede Corresponding standards therein. Following...
ANSI Z21.56/CSA 4.7
December 1, 2000
Addenda to Z21.56-1998 Gas-Fired Pool Heaters
A description is not available for this item.
ANSI Z21.56/CSA 4.7
March 1, 2000
Addenda to Z21.56-1998 Gas-Fired Pool Heaters
PREFACE The standards set forth herein apply to the first edition of the Standard for Gas-Fired Pool Heaters, ANSI 221 56-1 998 CSA 4.7498, and supersede corresponding standards therein. Following...
ANSI Z21.56/CSA 4.7
April 1, 1998
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters (see Part IV, Definitions), hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for...
ANSI Z21.56/CSA 4.7
January 1, 1996
Gas-Fired Pool Heaters
PREFACE The standards set forth herein apply to the eighth edition of the Standard for Gas-Fired Pool Heaters, and supersede corresponding standards therein. Following their preparation by the...
ANSI Z21.56/CSA 4.7
January 1, 1994
Gas-Fired Pool Heaters
PREFACE The standards set forth herein apply to the seventh edition of the Standard for Gas-Fired Pool Heaters, ANSI Z21.56-1991, and addenda thereto Z21.56a-1993, and supersede corresponding...
ANSI Z21.56/CSA 4.7
January 1, 1994
Gas-Fired Pool Heaters
This standard applies to newly produced pool heaters (see Part IV, Definitions), hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for...
ANSI Z21.56/CSA 4.7
January 1, 1993
GAS-FIRED POOL HEATERS SEVENTH EDITION
PREFACE The standards set forth herein apply to the seventh edition of the American National Standard for Gas-Fired Pool Heaters, ANSI Z21.56-1991, and supersede corresponding standards therein....
ANSI Z21.56/CSA 4.7
January 1, 1991
GAS-FIRED POOL HEATERS SEVENTH EDITION
PREFACE This publication represents a standard for safe operation, substantial and durable construction, and acceptable performance of gas-ñred pool heaters. It is the result of years of experience...
ANSI Z21.56-1989
January 1, 1989
GAS-FIRED POOL HEATERS SIXTH EDITION; ADDENDA Z21.56A - 1990, ADDENDA Z21.56B - 1990
PREFACE The standards set forth herein apply to the sixth edition of the Standard for Gas-Fired Pool Heaters, ANSI 21.56-1989, and Addenda thereto, Z21.56a-1990, and supersede corresponding...
ANSI Z21.56-1986
March 24, 1986
GAS-FIRED POOL HEATERS FIFTH EDITION; ADDENDA Z21.56A - 1987, ADDENDA Z21.56B - 1988
PREFACE The standards set forth herein apply to the fifth edition of the Standard for Gas-Fired Pool Heaters, ANSI Z2156-1986, and Addenda thereto, Z21.56a-1987, and supersede corresponding...
ANSI Z21.56-1983
January 1, 1983
GAS-FIRED POOL AND SPA HEATERS; (FORMERLY AMERICAN NATIONAL STANDARD FOR GAS-FIRED SWIMMING POOL HEATERS); ADDENDA Z21.56A - 1984, ADDENDA Z21.56B - 1985
PREFACE The standards set forth herein apply to the fourth edition of the Standards for Gas-Fired Pool Heaters, ANSI Z21.56-1983, and Addenda thereto, Z21.56a-1984, and supersede corresponding...
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References

This document references:
ASME B18.2.1 - Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
Published by ASME on June 19, 2013
A description is not available for this item.
This document references:
ASME B18.2.2 - Nuts for General Applications: Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series)
Published by ASME on November 30, 2015
This Standard is intended to cover the complete general and dimensional data for the various types of inch series square and hex nuts, including machine screw nuts and coupling nuts, addressed by...
This document references:
ASME B18.6.2 - Square Head Set Screws and Slotted Headless Set Screws (Inch Series)
Published by ASME on December 31, 2020
This Standard covers the complete general and dimensional data for square head and slotted headless set screws. Also included is Nonmandatory Appendix A covering the formulas on which dimensional...
This document references:
ASME B18.6.3 - Machine Screws, Tapping Screws, and Metallic Drive Screws (Inch Series)
Published by ASME on October 11, 2013
This Standard is intended to cover the complete general and dimensional data for the various types of slotted and recessed head machine screws, tapping screws, and metallic drive screws recognized as...
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