Conventional "pressurized" system

Overheating problems in summer

Unlike a drainback system, a conventional system does not drain. With the pump stopped, the liquid remains in the collectors, overheats, is vaporized and deteriorates with time.

This overheating represents a technical limit on sizing to approximately 40% to 45% of the solar fraction (percentage savings that can be made). This system requires greater maintenance.

 

 

 

 

 

 

 

 

 

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