Main Direct Unvented 120L Direct Hot Water Cylinder – 720635901

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.

Product Features :

• One year parts and labour warranty*
• 25 year warranty on stainless steel inner vessel*
• 120, 150, 170, 210, 250 and 300 litre capacity – direct and indirect types
• Indirect heating coil (factory fitted with an electric immersion heater as back up)
• Coil-in-coil heat exchanger
• High grade stainless steel cylinder
• Low heat loss
• Incoloy 800 alloy sheathed elements
• KIWA approved
• Manufactured in the UK