Great Service Always. 21st Plumbing Company came today to flush and inspect hot water heater. He did a Great job. 21st Plumbing Company initally installed it in 2010 and did awesome then too. We have him back every year for the inspection. We always ask for 21st Plumbing Company.He is Friendly, Knowledgeable, and always on time. He always takes time to address our concerns and questions. We never feel rushed. He is Awesome!!