People in the plumbing industry need plumbing help now and then. Your humble author had his 4-year-old water heater go out. After a loud bang akin to a small explosion the heater stopped outputting any hot water. Patrick came out the next day and verified that the burner assembly was dead. Because it was under warranty our plumber didn't end up making the repairs but his expertise analysis and opinion, along with advice on where to turn to next in order to get it serviced, proved to be invaluable assistance.