The Altecnic Robokit expansion vessel extra sealed system kit, 18 litre, is an essential component for sealed heating systems. Expansion vessels from Altecnic are both reliable and cost-efficient. They also give you peace of mind after installation. System flexibility is provided by component placement options when adding the Altecnic additional expansion vessel.

• Quattro 4 way connector
• Safety relief valve complete with gauge
• Mounting bracket to suit up to a 25 litre capacity and manifold fitting
• 18 Litre capacity
• Filling loop