Galv to copper
I need to attach an expansion tank to a water heater. How bad is it if I don't use dielectric fittings to go from the copper to the Galvanized? Yes I know you are not supposed to do it but will it rust out before the water heater?
[FONT="Franklin Gothic Medium"][SIZE="3"][B]Everyone is entitled to their own opinion, but not their own facts[/B][/SIZE][/FONT]