www.pmmag.com/articles/99897-tankless-water-heater-recirculation

Tankless water heater recirculation
Enovative’s On-Demand Pump is a new recirculation system/pump to efficiently deliver hot water to any faucet in a house or building.
April 17, 2014
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Enovative’s On-Demand Pump is a new recirculation system/pump used in homes, multiunit residential or commercial building applications to efficiently deliver hot water to any faucet in a house or building. It is a pump that is paired with a tankless water heater to trigger it to make hot water more quickly.
Remodeling or hydronics contactors can install in homes, buildings or businesses as an add-on to help ramp up hot water accessibility and efficiency