Heimeier universal Heimeier f. V / F-exact, Regulux, Vekolux, B-head Heimeier universal Heimeier for actuating the thermostatic valve base V-exact / F-exact, thermostatic head B, Regulux return screw connection and Vekolux connection screw connection. Also for Radiators vent valve. Heimeier : Heimeier 053001433