The energy pack ensures maintenance-free, reliable operation of the heat exchanger. It mounts easily on any standard North American electric hot water tank.

The energy pack preheats the water prior to it being stored in the hot water tank. Inside this attractive, self-contained unit are:

• the gear pump and motor which circulate the solar-heated food-grade propylene glycol;
• the Italian-made one-piece brass manifolds;
• the CSA-approved, braised plate single wall heat exchanger, used for its superior heat exchange properties; and
• ports through which the propylene glycol can be replaced easily. This replacement is recommended every three years.

Built into the system are numerous safe guards including the setting of the glycol pressure at a lower PSI than the water pressure coming into your tank. This ensures that the glycol never enters your water.

The attached differential temperature controller accurately senses changes, measuring the temperature at the solar collector panels and automatically controlling the pump operation to ensure maximized capture of the solar-generated energy.

The energy pack is connected to the solar panel through refrigerator-grade copper tubing, with easy push-to-connect connectors.

* Patented Passive Anti-Fouling Protection.
   US Patent # 6,827,091