Key Information
- Dimensions — 2029(H) x 580(D)mm
- 347.4L Hot Water Capacity — Ideal for very large households with high demand
- 2.6m² Coil Size — Enhanced heat transfer for improved efficiency
- 70% Reheat Time 18.41 Minutes — Reliable recovery performance
- Cold Water Inlet Plate — Minimises mixing and maximises usable hot water
- Heat Loss 1.68kWh — Controlled standby energy consumption
- Compatible with Vaillant Heat Pumps and Boilers — Flexible system integration
- Smart Control via myVaillant App — Remote hot water management
- 2-Year Parts Guarantee / 25-Year Inner Tank Warranty — Long-term reassurance
What's Included
The Vaillant uniSTOR PLUS 300L Heat Pump Cylinder is designed for properties with significant hot water demand, offering substantial storage capacity alongside efficient recovery and dependable performance. Fully compatible with Vaillant heat pumps, system boilers and heat-only boilers, these hot water cylinders integrate seamlessly into a wide range of domestic heating systems.
As part of the uniSTOR PLUS range, this model delivers high-volume performance while maintaining strong energy efficiency.
Optimised for Heat Pump Performance
When paired with a Vaillant heat pump, the uniSTOR PLUS 300L provides an efficient and responsive hot water solution. It is suitable for installation with all Vaillant heat pumps as well as system and open vent boilers.
The cylinder features a 2.6m² coil, engineered for effective heat exchange and improved system efficiency. With a 70% reheat time of 18.41 minutes, it offers reliable recovery even after extended hot water use.
Maximum Usable Hot Water
A cold water inlet plate helps reduce mixing between incoming cold water and stored hot water, maintaining a greater proportion of usable hot water inside the cylinder.
With a hot water capacity of 347.4 litres, this model is ideal for large households or properties with consistently high daily usage.
Energy Efficiency and Reliability
With a heat loss rating of 1.68kWh, the cylinder is designed to control standby energy losses while maintaining consistent hot water delivery.
Engineered for durability and long-term performance, it supports reliable operation as part of a complete Vaillant heating system.
Smart Control Compatibility
When installed with compatible Vaillant controls, hot water demand can be monitored and adjusted through the myVaillant App, allowing convenient remote management and greater control over household energy use.
Order from PlumbNation Today
Choose the Vaillant uniSTOR PLUS 300L Heat Pump Cylinder for maximum hot water capacity and efficient performance tailored to high-demand homes. Available now at PlumbNation.
