ANSI Z21.50a-2008/CSA 2.22a-2008

Preface

The standards set forth herein apply to the fifth edition of the Standard for Vented Gas Fireplaces, Z21.50-2007/CSA 2.22-2007 and supersede corresponding standards therein. Following their preparation by the supervising Technical Advisory Group, they were accepted by the American National Standards Institute (ANSI) and the Interprovincial Gas Advisory Council (IGAC), and subsequently approved.
 

1. Scope

1.1.1
This Standard applies to newly produced vented gas fireplaces (See Part IV, Definitions), hereinafter referred to as appliances, constructed entirely of new, unused parts and materials, and having input ratings up to and including 400,000 Btu/hr (117 228 W).

These appliances are: a. For use with natural gas; b. For use with propane; c. For direct vent gas appliances for manufactured home (USA only) or mobile home OEM installation or aftermarket installation convertible for use with natural gas and liquified petroleum (propane) gases when provision is made for the simple conversion from one gas to the other (see 1.2.21 and 1.2.22); d. For direct vent gas appliances for manufactured home (USA only) or mobile home aftermarket installation for use with natural gas only or liquified petroleum (propane) gases only (see 1.2.22); and e. For direct vent gas appliances for manufactured home (USA only) or mobile home OEM installation for use with liquified petroleum (propane) gases only (see 1.2.21).

The construction of vented gas fireplaces for use with the above mentioned gases is covered under Part I, Construction.

The performance of vented gas fireplaces for use with the above mentioned gases is covered under Part II, Performance.