§ 16-5 Gas tubing instruments.

Appliances, accessories and equipment herein referred to shall be construed to include instruments for use in connection with gas tubing or appliances which affect the normal and regular use of such tubing or appliances without said device, such as economy devices, accessories, solid tops, and other such equipment which is intended to be used in conjunction with self-contained appliances and which cannot be considered as a gas consuming appliance.