Grant Oil Boiler Expansion Vessels
The expansion vessel is a small tank that is used to protect closed water heating systems from excessive pressure. The pressure vessel is filled with air that acts as a cushion against surges in pressure within the system.
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Grant 100-146-0121 Expansion Vessel - 12 Litre - Combi MKII/Combi V3/Euroflame
Part No: 2160010 / MPN: 100-146-0121
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Grant VBS95 VTX15/21 Expansion Vessel Hose - Vortex Pro/Vortex Combi -Pre Dec 14
Part No: 2160506 / MPN: VBS95