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Water Connections continued-
Figure 6 – Replacing the Solar Water Heater in a Two-tank Installation
To replace the previous solar water heater with the new solar water heater with electric backup, remove the previous
solar water heater. The external heat exchanger and pump can also be removed. The new solar water heater with
electric backup has an internal heat exchanger allowing direct heat transfer to the water. For installation of the new
solar water heater with electric backup, refer to “INSTRUCTIONS FOR POTABLE CONNECTIONS” earlier in this
section and Figure 6. The potential for not transferring the solar heat into the solar water heater due to a pump
malfunction is reduced when the second pump is removed from the system.