Warning: session_start(): open(/var/www/vhosts/dhsspares.dev/httpstore/sessions//sess_banjhdk3mggod3bv3378v8puhffh045krm6bq4fgt3sf291rilrqc07a0n4275tpffobkcfgghprf1snu8p1jiuaguop89d60q09udv04r11ivurm79otgna0j665e8g, 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
Keston Expansion Vessels | Direct Heating Spares
The expansion vessel is a small tank that is used to protect closed heating systems from pressure surges. The expansion tank is filled with air that acts as a cushion against pressure surges within the system.
