AcroISO offer a complete range solar cylinders, solar buffer vessels and solar accumulators, which can be used for both vented and unvented applications.

Solar tanks are manufactured from mild steel or enamel lined steel, all designed to the latest European Standards and made to conform to the Pressure Equipment Directive.

Products are CE marked where appropriate.


The AcroISO solar cylinder, buffer vessel and accumulator range includes:

• Single Coil Cylinders: for domestic hot water.
• Dual Coil Cylinders: for domestic hot water.
• Flanged Hot Water Cylinders: for domestic hot water.
• Combined Stratifying Accumulators: for domestic hot water & heating systems.
• Combined Tank-In-Tank Accumulators: for domestic hot water & heating systems.
• Stratifying Accumulators: for heating systems.
• Flanged Stratifying Accumulators: for heating systems.
• Buffer Vessels & Solar Accumulators: for heating systems.

Stratifying Accumulators: for heating system water.