Vaillant EcoTEC Plus 10L Expansion Vessel 181051, Supersedes 0020144607 - Hanicks (EcoTEC Plus 612/615/618/624/630/637)

Compatible 10 Litre Expansion Vessel - Designed to fit ecoTEC Plus system boilers including models 612, 615, 618, 624, 630 and 637, ensuring correct pressure compensation within the sealed heating system. Replacement for Multiple Part Numbers - Direct replacement for 181051 and supersedes part number 0020144607, providing a like-for-like fit for older installations. Maintains Stable Boiler Pressure - The expansion vessel absorbs thermal expansion in the heating circuit, helping prevent pressure spikes and protecting key boiler components. 10 Litre Capacity - Internal diaphragm vessel with approximately 10L capacity and factory pre-charge around 0.75 bar, designed for domestic system boilers. Durable Steel Construction - Heavy-duty welded steel body with diaphragm bladder designed to withstand repeated heating cycles and system pressure changes. Direct Internal Boiler Fitment - Mounts inside the boiler casing as part of the sealed heating circuit and connects via the system pipework. Used in Multiple Vaillant Systems - Also found across many ecoTEC, ecoMAX and ecoTEC Pro appliances where the same expansion vessel design is used. Professional Installation Recommended - Boiler components should be installed and commissioned by a qualified Gas Safe registered engineer., Weight: 5.732018812 pounds, Manufacturer: Hanicks