After shopping around a bit, I found that Mark Johnson Plumbing gave me the best estimate. They were also very helpful over the phone and were able to schedule to arrive quickly. Mark sent someone who was able to diagnose the problem and get right to work. The technician gave me many helpful hints about how to prolong the life of my water heating system. I'm glad that they were able to show up and get the job done well. On top of that, they were very courteous and accommodating. I'd recommend them highly.
more