The HXflatbox is a horizontal DWHR unit that is intended to be placed under a bath tub used for showering. It can be easily retrofitted in an existing bathroom, but note that it is too large to fit under a normal sized shower cabinet floor.
Another installation option is to integrate it in the floor or in the roof of the floor under the bathroom.
It has a 3rd party certified efficiency of 46.4% at 9.2l/min
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