Is an optional accessory for plate recuperators. Used in the summer time, preventing heat transfer from the exhaust air to the supply air.
In this case, the undesirable heating of the supply air by the exhaust air with a higher temperature is reduced to a minimum. The summer insert element is installed in the recuperator case instead of the heat exchange insert element.
The summer insert element is the dividing channel of the rectangular form made of galvanized steel, completely corresponds to the standard sizes of SR recuperators.