Recovery Factor (RF) is a measure of a water heater’s efficiency, specifically indicating the amount of heat energy that is effectively transferred from the fuel or electricity to the water. It is typically expressed as a percentage, with higher RF values indicating better efficiency and faster recovery times. In plumbing, understanding the recovery factor is important when selecting water heaters, as it impacts energy consumption, operating costs, and the availability of hot water for household or commercial use. Regular maintenance, such as flushing the tank to remove sediment, can help maintain the recovery factor over time.
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