Viessmann Vitodens 200-W System Boiler Sub-Mounting Kit With Mixer (ZK04304)

Complete assembly for heat distribution via one heating circuit with mixer and one heating circuit without mixer, for installation below the appliance.

Consists of:

• Plate heat exchanger for system separation of the heating circuit with mixer
• Variable speed high efficiency circulation pump of the heating circuit with mixer
• 3-way Mixer with mixer motor
• Mixer PCB, capable of communicating via PlusBus
• Adjustable bypass
• Flow temperature sensor
• Valve for regulating the flow rates of both heating circuits
• Cover in same design as wall mounted boiler