Myson Expansion Vessels
The expansion vessel is a tank that is utilised to protect closed water heating systems from excessive pressure. The expansion vessel is filled with air that acts as a cushion against pressure surges within the system.
MYSN 404S114 EXPANSION VESSEL - OBSOLETE
Part No: 1131160 / MPN: 404S114
MYSON 69003401 EXPANSION VESSEL DHW 403S440
Part No: 1131317 / MPN: 69003401