tankless water heater: also known as instantaneous or on-demand type water heaters, supply hot water only when needed. When a hot faucet is opened, the heater turns on, heating the water only when it is running.
Tankless water heater
tankless water heater: also known as instantaneous or on-demand type water heaters, supply hot water only when needed. When a hot faucet is opened, the heater turns on, heating the water only when it is running.