The Watts Premier Hot Water Recirculating Pump System ... For even more savings, you can combine your circulation pump with a tankless water heater or a heat pump water heater — if your current ...

You will also enjoy recirculation benefits with this tankless water heater. It features ThermaCirc360 technology that can offer faster hot water through an external pump which is sold separately.

This unit’s recirculation technology ... propane tankless water heater? Propane tankless water heaters can last up to 20 years. Compare this with heat pump water heaters, which last about ...