CSA/AM - ANSI Z21.78A-1993
Combination Gas Controls for Gas Appliances
inactive
| Organization: | CSA/AM |
| Publication Date: | 1 January 1993 |
| Status: | inactive |
| Page Count: | 8 |
scope:
PREFACE
The standards set forth herein apply to the first edition of the Standard for Combination Gas Controls For Gas Appliances, ANSI Z21.78-1992, and supersede corresponding standards therein. Following their preparation by the supervising subcommittee, they were accepted by Accredited Standards Committee Z21 and subsequently approved as American National Standard by the American National Standards Institute, Inc.
NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.
Document History
January 1, 2010
Combination Gas Controls For Gas Appliances
This standard applies to newly produced combination gas controls (see Definitions, Part IV), hereinafter referred to as controls, constructed entirely of new, unused parts and materials.
The...
January 1, 2010
Combination Gas Controls For Gas Appliances
A description is not available for this item.
January 1, 2010
Combination Gas Controls For Gas Appliances
A description is not available for this item.
January 1, 2010
Combination Gas Controls For Gas Appliances
This standard applies to newly produced combination gas controls (see Definitions, Part IV), hereinafter referred to as controls, constructed entirely of new, unused parts and materials.
The...
January 1, 2008
Combination Gas Controls For Gas Appliances
Preface: The standards set forth herein apply to the third edition of the Standard for Combination Gas Controls For Gas Appliances, ANSI Z21.78-2005 • CSA 6.20-2005 and ANSI Z21.78a-2007 • CSA...
October 1, 2007
Combination Gas Controls For Gas Appliances
A description is not available for this item.
May 1, 2005
Combination Gas Controls For Gas Appliances
This standard applies to newly produced combination gas controls (see Definitions, Part IV), hereinafter referred to as controls, constructed entirely of new, unused parts and materials.
The...
January 1, 2000
Combination Gas Controls for Gas Appliances
PREFACE
This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of a combination gas control for gas appliances. It is the...
January 1, 2000
Combination Gas Controls for Gas Appliances
This standard applies to newly produced combination gas controls (see Definitions, Part IV), hereinafter referred to as controls, constructed enörely of new, unused parts and materials
The...
January 1, 2000
Combination Gas Controls for Gas Appliances
Preface
This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of vented gas-fired space heating appliances. It is the...
January 1, 1998
Combination Gas Controls for Gas Appliances
The combination control may include other functions such as pilot gas filters, pressure switches etc., which shall be of an approved type (see Definitions, Part IV), or shall be investigated as an...
January 1, 1997
Combination Gas Controls for Gas Appliances
PREFACE
This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of a combination gas control for gas appliances. It is the...
January 1, 1994
Combination Gas Controls for Gas Appliances First Edition
PREFACE
The standards set forth herein apply to the first edition of the Standard for Combination Gas Controls for Gas Appliances, ANSI 221.78-1992, and Addenda thereto, Z21.78a-1993, and supersede...
ANSI Z21.78A-1993
January 1, 1993
Combination Gas Controls for Gas Appliances
PREFACE
The standards set forth herein apply to the first edition of the Standard for Combination Gas Controls For Gas Appliances, ANSI Z21.78-1992, and supersede corresponding standards therein....
January 1, 1992
Combination Gas Controls for Gas Appliances First Edition; Erratum - 1993
PREFACE
This publication respresents a basic standards for safe operation, substantial and durable construction, and acceptable performance of combination gas controls for gas applicances. It is the...