N.Y. Comp. Codes R. & Regs. tit. 9 § 86.13
Rods, vents, taps, hoses (rubber or metal), choke or restrictor coil not exceeding 10 feet in length to any one line, washers, couplings, vent tongues, valves, bungs, gauges, regulators, distributors, connectors, cellar thermometers, tap markers, bucks, rod brushes, air cocks, air tees, metal tubing to connect regulators and gauges, necessary parts to faucets including faucet bodies, spigots, unions and bottle openers may be furnished, given or sold to a retailer and installed in his establishment. Picnic pumps, gravity keys, tubs, portable bars, cold plates, gauges, portable cooling units and refrigerated trucks or trailers may be furnished, loaned or rented for temporary use at a particular function, but not for use by a retail licensee in the normal day-to-day operation of his business; carbon dioxide or other propellant may be furnished or sold for use in connection with the operation of such equipment.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 86.13