Thermal energy recovery device of bathroom installation waste hot water comprises heat exchanger with primary inlet connected to waste hot water tank, secondary inlet and outlet connected to cold water supply and hot water storage tank

摘要

The thermal energy recovery device comprises a heat exchanger (1) whose inlet (19) for the primary circulation (1a) is connected to a waste hot water tank (17) and circulation pump (21). The exchanger outlet (23) is connected to a drain. The inlet (3) of the secondary circulation (1b) is connected to cold water supply pipe (5) and its outlet (7) is connected to hot water production/storage tank (9).