Potterton Oil Boiler Expansion Vessels
The expansion vessel is a small chamber that is utilised to protect closed heating systems from excessive pressure. The expansion vessel is filled with air that acts as a cushion against pressure surges within the system.
![POTTERTON 43000701 EXPANSION VESSEL KIT LYNX 1&2](/userfiles/images/products/1122958.jpg)
POTTERTON 43000701 EXPANSION VESSEL KIT LYNX 1&2
Part No: 1122958 / MPN: 43000701
![POTTERTON 26009157 EXPANSION VESSEL](/userfiles/images/products/1121984.jpg)
POTTERTON 26009157 EXPANSION VESSEL
Part No: 1121984 / MPN: 26009157