Rheem 50 gallon gas Water heater leaking. Waterheater needs to be replaced. Waterheater will need to be moved due to increased width of new waterheaters. The current space is 20" in width. A new waterheater stand, pan and drain will need to be installed.1/2" black iron will need to be piped over to waterheater. Thermal Expansion tank will need to be installed. 3/4" ball valve will need to be installed . Waterheater vent will need to be reworked. Waterheater will extend past existing space for furnace and waterheater and into garage parking.