aillant Unistor 150 litre indirect heat pump cylinder is manufactured from hardwearing stainless steel and incorporates the latest thermal-injected insulation for ultra-low heat loss, as little as 1 kW in 24 hours. The Unistor range has a large diameter, smooth-surfaced coil positioned in an optimal spot for the ultimate in hot water performance. The best part is that the automatic de-scaling provides ongoing efficiency with minimal maintenance. It is mainly built for performance and reliability.

• Thermal injected polyurethane insulation combined with vacuum panels
• Provides quiet operation
• Reduces build up of scale
• Designed around environmental requirements
• Thermodynamically positioned sensor pocket optimises system performance
• Complete system solution offering whilst meeting all building regulations
• Fully compatible with the Vaillant heat pump range
• Superior insulation and efficiency