No person shall, without the approval of the inspector, display, sell, barter, replace, offer for sale, lease, deal in, supply, rent, donate, connect, install, or use within the City limits any device purporting to reduce gas consumption when such device is intended as an adjunct, or addition to, a gas appliance, or to be suspended above, or wholly or partially to enclose, any burner of a gas appliance in such manner as to reduce the effectiveness of ignition of the gas issuing from the burner or impair combustion of the burner. [Ord. 4515 § 2, 2021; Ord. 1503 § 18, 1971; Code 1970 § 16.12.180.]