5471R-051 ¾" thermostatic mixer. 5471R-051 UP = Thermostatic mixer 5400TV. 5471R-051 AP = Handle NR51, handle NR52, handle NR54G, hand shower and hand shower holder with non-return valve 070R, hose 1500 mm, wall mounted head shower 050, 3 pcs. 60 mm circular flanges 2001, 2 pcs. 001.