https://theflatearth.win/wiki/....Post:Three_Reasons_T
The Importance of Working With a Gas Engineer When working with gas, it's always recommended to work with an accredited professional. You can be confident that your property is secure and that you're adhering to all laws and regulations. Call National Grid at 0800 111 9999 in the event of a suspected emergency. They will be able to cap your meter and instruct you to contact an electrician. Gas Safety Certificates Gas safety certificates (also known a