Save yourself some money and do the easy part of the annual maintenance to your tankless water heater. I do not recommend that you try to replace any parts. Call a plumber if you find anything broken. ##plumbing##plumber##plumbersoftiktok##howto##diy##tanklesswaterheater##tankless##waterheater##preventative##maintenance##plumbingsk8r##fyp##doityourself##savemoney##homeowner##homeownertips