on grey water to bath together exchanger

摘要

total heat exchanger (1) comprising a container (2), in which the grey water (3) is a communal shower and bath (4) at least one tubing (5) positioned at the inside of said container (2), which is a new water (7) of the the public bath and shower group c (4), the new water (7) is preheated by the grey water from (3).