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

Tempest Indirect hot water storage cylinders feature an internal coil and are designed for use with a gas or oil-fired boiler, as the main heat source (either sealed system or open vented). Manufactured from Duplex stainless-steel, 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
• Supplies mains pressure hot water and high flow rates
• Fast reheat
• Factory-fitted temperature and pressure relief value set at 7 bar / 90C
• 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 90300 litre capacities
• Lifetime manufacturing warranty on inner container (2 years on components)*
• Renewable and bespoke options available

Supplied with:

Acetal tundish, Inlet control group, two port valve, external expansion vessel with bracket, dual probe thermostat, temperature & pressure relief valve*, 3kW immersion heater(s)*

*Factory-fitted

Technical Details

Tempest Indirect – Technical Data Sheet