Heimeier Thermostat Head Model K White (Pack of 20) : Amazon.de: DIY & Tools
HEIMEIER HSK2N Thermostat-Kopf K weiß, mit Nullstellung : Amazon.de: Baumarkt
Heimeier Multilux 4 Complete Set with Thermostat Valve Base & Thermostat Head DX, for Corner or Straight Fitting, Fittings for Radiator R 1/2 and G 3/4, 27337 4 : Amazon.de: DIY & Tools