Indirect slimline unvented stainless-steel hot water storage cylinder with external expansion vessel design.

Tempest Indirect Twin Coil Solar Slimline hot water storage cylinders are designed for use with heating systems where solar thermal is used to compliment a traditional boiler. The Duplex stainless-steel cylinders feature an up to 0.71m² purpose-designed renewable coil which allows maximum heat transfer of renewable energy into the stored water. Ideal for installations where space is an issue, the cylinders are supplied with a factory-fitted 3 kW immersion heater to provide back-up heat.

Features & Benefits

  • Duplex stainless-steel provides superior corrosion resistance
  • 316L grade stainless-steel 22mm compression fittings and coils
  • Purpose-designed renewable coil
  • Supplies mains pressure hot water and high flow rates
  • Fast reheat
  • Factory-fitted temperature and pressure relief value set at 7 bar / 90°C
  • Remote expansion vessel with factory-fitted wall mounting bracket
  • Full unvented kit supplied
  • Highly efficient
  • Fully insulated to minimise any heat loss
  • Factory-fitted 3kW immersion heater 
  • Available in 170–250 litre capacities
  • Lifetime manufacturing warranty on inner container (2 years on components)*
  • Renewable and bespoke options available



Technical Data   Product Fiche

*Terms & Conditions apply

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