John did a great job explaining each step of what he was doing to provide myself with a better understanding of what the issue was and gave some recommendations on how to avoid the same issue in the future
Response from PDM Plumbing, Heating, Cooling Since 1885:
Steven, that's fantastic to hear! We're thrilled that John provided you with such a positive plumbing experience. It sounds like his clear explanations and helpful recommendations really made a difference, and we're glad you have a better understanding of your tankless water heater maintenance. We appreciate you taking the time to share your feedback and for your trust in PDM!