Tempest Heat Pump hot water storage cylinders with built-in buffers are designed for use with an air or ground source heat pump as the main heat source. They feature a purpose-designed coil with a 3.3m surface area to allow maximum heat transfer of renewable energy into the stored water. Manufactured from Duplex stainless steel, the cylinders are supplied with a factory-fitted 3 kW immersion heater to provide backup heat.

• Duplex stainless steel provides superior corrosion resistance
• 316L grade stainless steel 22mm compression fittings and coils
• Supplies mains pressure hot water and high flow rates
• Fast reheat
• Factory-fitted temperature and pressure relief valve set at 7 bar / 90C
• Remote expansion vessel with factory-fitted wall mounting bracket
• Full unvented kit supplied
• Highly efficient
• Fully insulated to minimize any heat loss
• Factory-fitted 3kW immersion heater
• Twin coil option available for use with a traditional boiler and solar thermal
• Available in 200500 liter capacities
• Lifetime manufacturing warranty on the inner container (2 years on components)*
• Renewable and bespoke options are available
• Delivery – 3-4 working days