The Vaillant uniSTOR PLUS 300L Pre-Plumbed Heat Pump Cylinder is a premium, high-capacity hot water storage solution designed for large homes with significant hot water demand. Engineered for seamless integration with Vaillant heat pumps and domestic boilers, it combines cutting-edge efficiency with installation simplicity.

Key Features:

• Capacity: 300 litres — ideal for properties with multiple bathrooms or high usage

• Pre-Plumbed Design: Factory-fitted, front-facing pipework and labelled connections for faster, cleaner installation

• Material: Stainless steel tank with a 25-year anti-corrosion guarantee

• Coil Technology: Enlarged, high-recovery coil for rapid heat transfer and improved system performance

• Insulation: Thermal-injected polyurethane with vacuum panels — minimizes heat loss and boosts energy efficiency

• Sensor Pocket: Thermodynamically positioned to optimize system control