How to Flush Your On-Demand (Tankless) Water Heater with Vinegar

How to Flush Your On-Demand (Tankless) Water Heater with Vinegar Tankless water heaters are efficient and long-lasting, but they do need routine maintenance to stay that way. Over time, mineral buildup, especially in homes with hard water, can slow performance, reduce hot water output, and force your system to work harder than it should. A […]