Gas Water Heater Installation Kit, Contains Two 3/4" Iron Pipe Size x 2" Dielectric Nipples, 2-3/4" x 15" Flexible Water Connectors, 1 Roll Teflon Tape, 2-3/4" Male Pipe Thread Compression Adapters, 1-1/2" x 24" Yellow Coated Stainless Steel Gas Connector.