Vaillant Ecotec Plus 824/831/837/937 10L Expansion Vessel 181051 (0020144607) Genuine PartHanicks from B&Q

Hanicks

10 Litre Boiler Expansion Vessel – Designed for Vaillant ecoTEC Plus and ecoTEC Pro boilers, this expansion vessel maintains stable system pressure by absorbing water expansion within the sealed heating circuit. Genuine Vaillant Replacement Part – Manufacturer part number 181051, also referenced as 0020144607, ensuring correct fit, reliability and performance when replacing the original boiler component. Compatible ecoTEC Boiler Models – Suitable for ecoTEC Plus 824, 831, 837, 937 and ecoTEC Pro 24 / 28, providing a direct replacement for the factory-installed expansion vessel used within these appliances. Maintains Safe Boiler Pressure – Absorbs excess pressure generated as water heats within the system, helping prevent pressure spikes and protecting key boiler components. High-Quality Steel Construction – Manufactured with a durable steel shell and internal diaphragm membrane to separate air and water chambers for consistent pressure regulation. Factory Pre-Pressurised Vessel – Supplied with an air charge (typically around 0.75–1.0 bar) ready for installation and final adjustment during boiler servicing. 10L Capacity for Domestic Boilers – Internal expansion vessel designed specifically for Vaillant condensing combi and system boilers with 10 litre capacity. Professional Installation Recommended – Boiler components should always be installed and commissioned by a Gas Safe registered engineer to ensure safe and correct operation., Weight: 5.732018812 Pounds, Manufacturer: Hanicks