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gajabba
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could anyone explain how to determine the flow rate of the hot water recirculation pump for water heater in domestic water supply?
Hot water recirculation is a system that keeps hot water continuously circulating through the pipes in a building, providing near-instant hot water at any faucet. It works by using a pump to move hot water from the water heater to the furthest fixture in the building, and then back to the water heater through a dedicated hot water return line.
The main benefit of using a hot water recirculation system is the convenience of having hot water available at any faucet almost immediately. This eliminates the need to wait for hot water to reach the fixture, which can save time and water. It also reduces energy and water waste, as hot water is not sitting in the pipes cooling down and needing to be reheated.
In a traditional hot water system, hot water is only circulated when a faucet or appliance is turned on, which can lead to a delay in getting hot water and wasting water. In a hot water recirculation system, hot water is continuously circulated, so it is always available at any faucet. This also helps to save energy and water compared to a traditional system.
Yes, there are several types of hot water recirculation systems, including demand-controlled systems, timer-controlled systems, and temperature-controlled systems. Demand-controlled systems use sensors to detect when hot water is needed and only circulate it at that time. Timer-controlled systems circulate hot water at predetermined times, and temperature-controlled systems use a thermostat to monitor the temperature of the hot water and only circulate it when it falls below a certain temperature.
Yes, hot water recirculation systems can be installed in most homes, but the feasibility and cost may vary depending on the layout and plumbing of your home. It is best to consult with a professional plumber to determine the best type of system for your home and to ensure proper installation.