Warning: session_start(): open(/var/www/vhosts/dhsspares.dev/httpstore/sessions//sess_dmah9at1m4nd9nsfl740fv88gighuc0igs2gv4lp0m3mpqu3qb89c853d3s542n65lcenmn8uk96ehb1no1fro725ithf69reikokce11f9mrmcuvgjqsnqsppm65ncf, O_RDWR) failed: No space left on device (28) in /var/www/vhosts/dhsspares.dev/httpdocs/app/src/App.php on line 166
Warning: session_start(): Failed to read session data: files (path: /var/www/vhosts/dhsspares.dev/httpstore/sessions/) in /var/www/vhosts/dhsspares.dev/httpdocs/app/src/App.php on line 166
Malvern Expansion Vessels | Direct Heating Spares
The expansion vessel is a small tank that is used to protect closed water systems from pressure surges. The expansion vessel is filled with air that acts as a cushion against pressure surges within the system.