ANSI Z21.88-2009/CSA 2.33-2009

Scope 1.1.1 This standard applies to newly produced vented gas fireplace heaters (see Part IV, Definitions), hereinafter referred to as appliance(s), constructed entirely of new, unused parts and materials, and having input ratings up to and including 400,000 Btu/hr (117 228 W). a. For use with natural gas; b. For use with liquified petroleum (propane); c. Direct vent appliances for manufactured home (USA only) or mobile home OEM installation convertible for use with natural gas and propane when provision is made for simple conversion from one gas to the other (see 1.2.4-a and -b); d. Direct vent appliances for manufactured home (USA only) or mobile home aftermarket installation for use with natural gas only or liquified petroleum (propane) gases only (see 1.2.4-b.); e. Direct vent appliances for recreational vehicle installation for use with liquified petroleum (propane) gases only (see 1.2.4-c); f. Direct vent appliances for recreational vehicle installation only 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 1.2.4-c); and g. For direct vent appliances for manufactured home (USA only) or mobile home OEM installation for use with liquified petroleum (propane) gases only (see 1.2.4-a). The construction of vented gas fireplace heaters and vented gas fireplace heaters with cooling units for use with the above-mentioned gases is covered under Part I, Construction. The performance of vented gas fireplace heaters and vented gas fireplace heaters with cooling units for use with the above-mentioned gases is covered under Part II, Performance.