July 18, 2017 7:30 pm Misdiagnosed Water Heater Problem Becomes Costly NBC Bay Area responds to a Discovery Bay man who says a misdiagnosed service problem with his water heater cost him $1,500. Consumer investigator Chris Chmura reports. US & World Videos 2:19 Gift card warning to keep in mind this holiday season 1:33 NBC Bay Area Responds to roadside assistance refund 1:31 Holiday shopping and returns: What to know 1:33 NBC Bay Area Responds: Clipper Card troubles 1:55 NBC Bay Area Responds: $500 truck fix, cancelled flight