Discover our range of high-quality direct unvented cylinders at Aizo Quality Heating, perfect for efficient hot water storage in UK homes. A direct unvented cylinder heats water using built-in immersion heaters, delivering mains-pressure hot water without relying on a boiler for heating the cylinder itself. Ideal for electric-only systems, it pairs seamlessly with gas or oil boilers for central heating, ensuring reliable performance and energy savings. Shop now for durable, stainless steel models from top brands, with fast delivery across the UK.
