Mixer extension CPU GW 2 HK3W MW1 Viessmann Vitotronic, 7826667 replaces 7823213 VitotronicManufacturer No.: 7826667( replaces 7823213 )

Mixer PCB M-LP6, Viessmann Vitotronic 300, 200, 050, 333, 7820193 Vitotronic300, 200, 050, 333Manufacturer No.: 7820193

Mounting bracket Viessmann Vitotronic 7144654 Viessmann VitotronicManufacturer No.: 7282852( replaces 7144654 )

Mixer unit, Viessmann Vitoflame 300, 18 kW, 7822292 Vitoflame 300, 18 kWBurner No.:7170254, 7185906Manufacturer No.: 7822292

Extension set for heating circuit with mixer, Viessmann RS2, 7450650 RS2Manufacturer No.: 7450650