How to Clean and Maintain a Tankless Water Heater
To clean and maintain your tankless water heater, start by turning off power and shutting off the cold-water supply, then depressurize the system. Check and clean inlet filters, tighten all connections, and inspect for leaks. Flush the unit with a descaling solution (vinegar or a commercial product) for 45–90 minutes, then rinse thoroughly. Reassemble, restore…
