Tips For Maintaining a Tankless Water Heater

Tankless water heaters have dramatically changed how water heaters work by heating water on demand to save energy and ensure an endless supply of hot water for bathing, cooking, laundry and more. They are also one of the most technologically advanced plumbing devices available, and require routine maintenance to ensure that the operate reliably and at peak efficiency.

Flush the system to remove mineral build up

Over time, tankless water heaters will accumulate minerals on the inside of the tank’s heating chamber. To remove the mineral build up the unit should be flushed regularly, usually one a year, to remove these accumulated mineral deposits. The steps involved will vary by manufacturer, but the procedure usually involves attaching a hose and flushing the tank with vinegar.

Clean the line screen filter

The second tankless water heater maintenance task involves cleaning the in-line screen filter to remove any accumulated debris.  Turn off the incoming water supply. The filter is located on inlet fixture on the cabinet. Unscrew the plug to remove the filter. Rinse the filter off and reinstall it on the unit. Always read your water heater owner’s manual before attempting any maintenance.

Have questions about maintaining your tankless water heater? Call Grand Lake Plumbing. Our expert plumbers are here to help.