Shower device for use in building, has drain and retention pit arranged in body of retaining unit, and peripheral edge and stage that install heat exchanger, where exchanger is connected in parallel to water drains for pre-heating drains

摘要

The device has a removable plate (21) whose end comprises drain opening (22) for draining waste water that is delivered by the removable plate and a shower retaining unit (20). A waste water drain and retention pit (1) is arranged in a body of the shower retaining unit and under the removable plate. A peripheral edge (2) and an obstacle stage (3) install a movable tubular heat exchanger (10) that is connected in parallel to flexible domestic water drains (11, 12) for pre-heating the water drains. A waste water evacuation opening (23) is placed at a bottom part of the pit.