The Vaillant uniSTOR PLUS 175L Heat Pump Cylinder is a high-efficiency, pre-plumbed hot water storage unit designed for medium to large homes. It’s part of Vaillant’s advanced PLUS range, offering enhanced performance, simplified installation, and compatibility with all Vaillant heat pumps and domestic boilers.

Key Features:

• Capacity: 175 litres — ideal for homes with moderate to high hot water demand

• Coil Design: Highly engineered coil-in-coil system maximizes surface area for rapid heat transfer and improved efficiency

• Cold Water Plate: Reduces turbulence between cold and hot layers, boosting hot water availability

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

• Material: 304-grade stainless steel — corrosion-resistant and 100% recyclable

• Insulation: Thermal-injected polyurethane with vacuum panels — minimizes heat loss (just 1.71 kWh/day)

• Dimensions: Height 1745 mm, Diameter 490 mm — slimline profile for space-saving installs

• Flow Rate: 33.33 L/min — supports strong and consistent hot water delivery

• ERP Rating: C — meets modern energy efficiency standards