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No Dedicated Return Line?
No Problem.
In applications where a dedicated return line is not available or is dicult to install, the SE+ Series featuring ThermaCirc360™ utilizes bypass
technology for the recirculation of hot water. This unit’s bypass technology, internal pump, Circ-Logic™ recirculation technology, and thermal
bypass valve, which are included as standard with this model, make recirculation possible without a dedicated return line. The valve is installed
between the hot and cold supply lines on the furthest fixture in the plumbing line from the tankless water heater. The cold water line is then used
temporarily as the return path of the circulation loop.