§ 25-26 Gas Piping.
RCNY § 25-26
(a)The sizes of gas piping shall be such as to give an adequate volumetric flow of gas to all appliances. The minimum diameter of gas piping shall be three-quarters of an inch (3/4") except that a branch supplying only one appliance may be one-half inch (1/2") diameter.
(b)Each gas-fueled space and water heater shall be rigidly connected to the gas piping supplying gas to the apartment.













