The Telford Tempest Heat Pump Indirect Unvented Cylinder (250L) is a highly efficient hot water storage solution, designed to seamlessly integrate with air or ground source heat pumps. Crafted from Duplex stainless steel, it offers superior corrosion resistance, ensuring long-lasting durability.

The cylinder features a purpose-designed coil with 3m of surface area, optimising the transfer of renewable energy for effective water heating. With a factory-fitted 3 kW immersion heater providing a reliable back-up, you can enjoy a consistent supply of mains pressure hot water and high flow rates. The unit includes a remote expansion vessel with a factory-fitted wall mounting bracket for convenience, while the full unvented kit and 316L grade stainless-steel fittings enhance performance and reliability. Additionally, its full insulation minimises heat loss, while a factory-fitted temperature and pressure relief valve ensures safety. Backed by a lifetime warranty on the inner container and a two-year warranty on components, the Tempest cylinder is a robust and dependable choice for your hot water needs.

• Capacity: 250 litres
• Duplex stainless steel for superior corrosion resistance
• Designed for air or ground source heat pumps
• High mains pressure hot water and flow rates
• Factory-fitted 3kW immersion heater included
• Fully insulated cylinder for minimal heat loss
• Lifetime warranty on inner container, 2 years on parts
• Includes full unvented kit and expansion vessel