The insulated dual coil grade 3 copper cylinder is made from copper, which is known for its excellent thermal conductivity and durability and is insulated with rigid polyurethane high density insulation to reduce heat loss and improve energy efficiency. The cylinder is designed to provide efficient hot water storage and are commonly used in residential and commercial heating systems.

• Insulated copper cylinder
• Grade 3 - 20psi open vented
• Suitable for treated reservoir supply only