Indirect STD

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

Jab Duc 2 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 / 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 (2 x 3kw Immersions on 250/300ltr)
• Available in 90–300 litre capacities
• Lifetime manufacturing warranty on inner container (2 years on components)*
• Renewable and bespoke options available