Vaillant 40 Litre Buffer Vessel

The Vaillant 40 Litre Buffer Vessel is a purpose-built thermal storage unit designed to enhance the performance and efficiency of Vaillant heat pump systems. It acts as a hydraulic decoupler and energy reservoir, helping to stabilize system operation and reduce wear on components.

Key Features:

• Capacity: 40 litres — ideal for supporting standard-diameter uniSTOR cylinders

• Installation Flexibility: Can be stacked above or below the cylinder to save space

• Design: Matches cylinder diameter and adds 400mm to overall height

• Efficiency: Helps maintain minimum circulation volume and consistent flow rates