The Telford Tempest Heat Pump Indirect Unvented Cylinder (300L) is expertly designed for seamless integration with air or ground source heat pumps, ensuring optimal renewable energy use. This high-performance cylinder features a purpose-designed coil with either a 2m or 3m surface area, maximising heat transfer for superior efficiency.

Crafted from Duplex stainless-steel, it offers excellent corrosion resistance and durability. The cylinder is supplemented with a factory-fitted 3 kW immersion heater for reliable backup heating. It delivers mains pressure hot water at high flow rates, complete with a fast reheat capability and a factory-fitted temperature and pressure relief valve set at 7 bar/90C. The remote expansion vessel, supplied with a wall mounting bracket, allows for flexible installation options. Fully insulated to minimise heat loss, it comes with a comprehensive unvented kit and offers a lifetime warranty on the inner container. A twin coil version is also available, catering to those who wish to integrate a traditional boiler and solar thermal solutions.

• Capacity: 300 litres
• Made from Duplex stainless steel for corrosion resistance
• Uses air or ground source heat pump as main heat source
• 2m or 3m coil surface area for max heat transfer
• Includes a 3kW immersion heater as a backup
• Remote expansion vessel with wall mounting bracket
• Supplied with a full unvented kit for easy installation
• Lifetime warranty on container (2-year on components)