Main Direct Unvented 300L Hot Water Cylinder – 720636401

Main Unvented Hot Water Cylinders are designed to help reduce fuel bills while lowering environmental impact. The range includes six direct and six indirect models, developed to work seamlessly with Main Eco Elite System boilers for a complete hot water solution. Indirect models feature an electric immersion heater for reliable backup, ensuring hot water is always available when needed.

Easy to install, the cylinders provide front access to all controls and connections. A coil-in-coil heat exchanger delivers rapid heat recovery, while 50 mm of factory-injected polyurethane foam minimizes heat loss and running costs. Constructed from high-grade stainless steel, the inner cylinder offers long-lasting durability with minimal maintenance.