How to Drain Your External Tankless Water Heater

Prevent Freeze Damage During Power Outages ❄️ Winter storms, freezing temperatures, and power outages can put your external tankless water heater at serious risk. When power is lost, built-in freeze protection may stop working — allowing water in the unit or piping to freeze, expand, and cause costly damage. In this video, we show homeowners how to properly drain an external tankless water heater to help prevent frozen pipes and unexpected repairs during cold weather events. ⚠️ Always follow manufacturer instructions and safety guidelines for your specific tankless water heater model. A few minutes of preparation can help protect your home and equipment during severe winter weather.