VOLA 5171RT9 ¾ inch thermostatic mixer. 5171RT9UP = Thermostatic mixer 5100. 5171RT9AP = Handle NR51, handle NR52, hand shower and hand shower holder with non-return valve 070R, with holder on the right, hose 1500 mm, 60 mm round flanges: 001, 2 pcs. 2001, hand shower holder for high installation T9.