Tempest 170L Indirect Heat Pump Cylinder – TSMI170HP

£1,104.75 inc. VAT

[£920.63 exc. VAT]
For assistance call us on: 01260 228 822


Telford copper and stainless cylinders

Tempest 170L Indirect Heat Pump Cylinder – TSMI170HP

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

Tempest Heat Pump hot water storage cylinders 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 3.3m² 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 back-up heat.

Key Features & Benefits:

  • 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 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
  • Twin coil option available for use with a traditional boiler and solar thermal
  • Available in 200–500 litre capacities
  • Lifetime manufacturing warranty on inner container (2 years on components)*
  • Renewable and bespoke options available*

*Terms & Conditions apply

  1. Acetal tundish
  2. Inlet control group
  3. Two port valve
  4. External expansion vessel with bracket
  5. Dual probe thermostat
  6. Temperature & pressure relief valve*
  7. 3kW immersion heater(s)*



Please contact us for precise delivery times.


Call Our Team:

01260 228 822

Mon - Fri: 9am - 6pm

Please get in touch for details of the warranty.