307.2 Fuel-burning appliances.
FGC § 307.2
Liquid combustion by-products of condensing appliances shall be collected and discharged to an approved plumbing fixture, or disposal area in accordance with the manufacturer's instructions. Condensate piping shall conform to one of the standards listed in Section 803 of the New York City Plumbing Code and shall not be smaller than the drain connection on the appliance. Such piping shall maintain a minimum horizontal slope in the direction of discharge of not less than 1/8 unit vertical in 12 units horizontal (1-percent slope).













