LDR 509 2201 Gas or Electric Water Heater Installation Set For &frac34;'' Threaded or Copper Pipe Water Lines Everything You Need for Connecting '' copper or galvanized hot and cold water lines to your gas or electric water heater For New or Old Water Heaters with '' water lines compatible with threaded water lines or the included pipe connectors for a leak free compression fitted connection to non-threaded copper piping; no soldering required Two 15'' Flexible Water Connectors, two '' compression connectors, over 7 feet Teflon tape, illustrated easy to follow step by step instructions Compatible with All  Inch Water Systems. Can be used for a new system as well as to replace the piping on an existing system Compression Connectors for non-threaded copper piping are made of solid lead free brass