Vaillant Drehknopf 143950 GP 210-134..191 GP 210-77..115 VIH 130-190/3 VIH 150-200/4 VIH 50/1 VIH C 120/2 VIH H 150/2 VK 60-156/3-2 E VKB 80-350 VKB unit 150+200-2 VKB unit 80+105-2 VKC 11-21/2 E VKC 11-21/3-1 XE VKC 11-23/1 E VKC D 11-23 E VKS 11-26/2 E VKS 12-20/3 E VKS 31-42/2 E VKS 47/2 E VKS 58-93/1 E VKS 60-156/2 E VKS D 11-23 E VKS D 29-41 E VKS D 48 E VKU 11-21/2 E VKU 11-21/3-1 XE VKU 11-23/1 E VKU D 11-23 E