Arrived to customers home for options regarding replacing a gas flex line connecting to water heater. The customer said when central Hudson previously came to customers home to repair a gas leak they noticed the water heater and informed the customer that the gas line they have is illegally used. In order to change over gas line the water heater will need to be removed because gas line is behind water heater. The water heater is from 2009 and has major corrosion on the cold side. Told customer the water heater should also be replaced. Gave customer options on replacing water heater and gas line because one could not be done without the other. Customer very satisfied with services provided today.