Pertains to newly produced, gas-fired low-intensity infrared heaters and infrared radiant tube heaters, hereinafter referred to as heaters or appliances, constructed entirely of new, unused parts and materials with inputs up to and including 400000 Btu/hr (117.23 kW) per burner: a) for use with natural gas; b) for use with manufactured gas; c) for use with mixed gas; d) for use with propane gas; e) for use with LP gas-air mixtures; and f) convertible for use with natural gas and propane gas, when provision is made for the simple conversion from one gas to the other.

CGA 2.16 : 0