Viessmann Mixing Valve Extension Kit
Mixing Valve Extension Kit Compatible with Viessmann 3-way or Viessmann 4-way mixing valve ONLY. Consisting of Mixing Valve Module (KM-BUS participant, wall mount) and Mixing Valve Motor (120/1/60). Module includes supply temperature sensor (strap-on), plugs for circulation pump and mixing valve motor, KM-BUS cable, and 120V/60Hz 2A in CSA housing with 6.5' cord and 120V plug. Motor includes strap on supply temperature sensor (NTC 10 kOhm). Max: 2 Mixing Valve Extension kits per Vitodens in single boiler applications.