Advance offer a range of buffer stores from 20 litres to 500 litres, insulated and cased. Buffers can be used as energy accumulators or to add volume to primary circuits to prevent heat pump shorting. The stainless steel cylinders are guaranteed for 25 years and are made in the UK and are WRAS approved. The mild steel buffers, the 20 and 100 litres, are guaranteed for 2 years. All buffers have four ports, except the 20 litre which has two, and can be configured in two or four port systems. Always refer to the energy appliance manufacturer's instructions.
Made from mild steel with wall brackets attached for easier installation.
The 20 litre buffer is fitted with 28mm compression fittings at each end.