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Domestic hot water heat exchanger
The sidearm heat exchanger uses a thermosiphon process to slowly circulate water though the heat exchanger without the use of any mechanical pumps. The water then travels to my hot water heater where another heat exchanger heats my domestic hot water. Wood Fired Pool Heater. System Type. The water is then recirculated back into the outdoor wood furnace to be reheated by the wood fire.