Expansion Vessel Compatible with Vaillant Ecotec 181051 | 10L | All Models

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Expansion Vessel Compatible with Vaillant Ecotec 181051 — 10 LitresAftermarket replacement expansion vessel compatible with Vaillant Ecotec sealed heating systems. This 10-litre re ctangular vessel absorbs water expansion during heat-up to maintain stable system pressure, prevent PRV discharge, and protect the heat exchanger from damage. Supplied with washer for installation.Note: This is an aftermarket compatible part, not a genuine Vaillant OEM component. Must be fitted and pre-charged by a Gas Safe registered engineer.Key Features Compatible with Vaillant part reference 181051 10-litre capacity — rectangular design 3/8" connection Absorbs water expansion to maintain stable system pressure Prevents PRV discharge and protects heat exchanger Supplied with washer for installation Compatible with ecoTEC Plus, ecoTEC Pro, and ecomax models Technical Specification Compatible Part Ref 181051 (Vaillant) Type Aftermarket compatible Capacity 10 litres Form Factor Rectangular Connection 3/8" Dimensions H 435mm × W 250mm × D 100mm (approx.) Compatibility ecoTEC Plus (824, 831, 837, 937), ecoTEC Pro (24, 28), ecomax VU/VUW Included Washer Installation Gas Safe registered engineer required Show more