CSA/AM - ANSI Z21.91
Ventless firebox enclosures for gas-fired unvented gas log type room heaters
active, Most Current
Buy Now
Organization: | CSA/AM |
Publication Date: | 1 January 2020 |
Status: | active |
Page Count: | 58 |
Document History

January 1, 2020
Ventless firebox enclosures for gas-fired unvented gas log type room heaters
This Standard applies to newly produced ventless firebox enclosures (see Clause 3, Definitions), herein after referred to as fireboxes, for unvented gas log type room heaters.
Fireboxes covered by...

ANSI Z21.91
January 1, 2020
Ventless firebox enclosures for gas-fired unvented gas log type room heaters
A description is not available for this item.

January 1, 2017
Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters
A description is not available for this item.

January 1, 2007
Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters
This standard applies to newly produced ventless firebox enclosures, herein after referred to as fireboxes, for unvented decorative room heaters.
Fireboxes covered by this standard are intended for...

January 1, 2001
Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters
This standard applies to newly produced ventless firebox enclosures (see Part IV, Definitions), herein after referred to as fireboxes, for unvented decorative room heaters
Fireboxes covered by this...

January 1, 2001
Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters
PREFACE
The standards set forth herein apply to the First edition of the Standard for Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters, ANSI Z21.91-2001, and supersede...

January 1, 2001
Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters
PREFACE
The standards set forth herein apply to the First edition of the Standard for Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters, ANSI 221.91-2001, and supersede...