11 Apparatus for heating, refrigerating, drying, ventilating, water supply, namely radiators, boilers, pipe freezing units composed of cooling aggregates with refrigerant hoses and deep freeze heads, all for sanitary use and sanitary purposes; equipment, apparatus and instruments for sanitary rooms, namely plumbing fittings, namely mounting modules, wall mounting brackets, shower operating panels, urinals; control fixtures, namely shower and wash basin control valves; equipment connecting plumbing fittings, namely couplers, plug fittings, screw connections, compression screw connections; water plumbing fittings, namely spouts, copper pipes, flexible hoses, siphons; gas fittings namely regulators and shutoff valves; heating fittings for domestic buildings, namely pipes for heating boilers, screw connections, connection valves, compression fittings; plumbing fittings, namely flushing valves, stop valves, corner valves, threaded joints for pipes and fittings being parts of sanitary facilities, dirt pans being parts of sanitary facilities