Yesterday as I was backwashing my DE filter, I took a look at my equipment and noticed that the gas line entering the heater was rusting. The rust is forming right after it comes up from the concrete. It seems to be pooling water in that area and has been for 10 years at least (we are new owners).
Who should I call - a plumber or a contractor? I believe it is going to require breaking up the concrete to get access to the pipe.