However, a Gas Safe engineer could be required to restore a boiler or to put in a fuel appliance. https://mimdjfu3urmxtsvzwhi64logb2gnvgjycejow7pistgtkbu4u33q.webpkgcache.com/doc/-/s/freebookmarkstore.win%2Fstory.php%3Ftitle%3Dhow-to-preserve-ideal-boiler-pressure
