Things to Consider Before Hiring a Gas Fire Engineer
Gas fireplaces are a reliable method of heating your home. To ensure that they function efficiently, they require regular maintenance and troubleshooting. You can get help from an experienced plumber or a fireplace technician for gas fire problems. They can also replace damaged valves. Here are some things to think about before hiring a plumber:

Robert Hall, a pipeline safety advocate, said the fire had consumed miles of pipe, and it could take several hours for the flame to reach a valve.
Installation
Gas Safe registered professionals should be contacted if you need to replace your gas fireplace or install a new fireplace. It's a lengthy process that requires the careful reconnection of the gas system that is in use, as well as a thorough inspection of your new fireplace to ensure its compliance with Building Regulations.
Your heating engineer must first measure the size of your space. The size of your space will determine whether or not you can safely install a gas fireplace. It will also influence where, what kind and how many vents you need to install.
Once the measurements are finalized After that, your heating engineer will make the necessary adjustments to your new fire. They'll place the appliance on a wall that is external that has an outlet for the evacuation of exhaust gases, and a sturdy base. Then, they connect it to the main line of gas and test its operation. They will then assemble the hearth or surround you have chosen. You may also need to install a flue or chimney, depending on the kind of fireplace.
Troubleshooting
If your gas fireplace will not turn on it could be an issue with either the pilot system or spark-ignition. These systems can be reset using the help of the manual, but should only be attempted by people who are who are comfortable and familiar with a potentially heavy gas smell. In certain cases, unusual sounds such as ticking or cracking could be normal as the iron in the burner tray expands and expands and contracts. If domestic gas engineer hear such noises you should contact an Gas Safe engineer for help. Unsafe or improperly installed fireplaces can cause fires, gas leaks and carbon monoxide poisoning. A qualified engineer can safely and quickly resolve these issues.
Repair
If your fireplace is making strange sounds, alternating between turning on and off in random intervals or emitting a stench of gas, you will need a professional to examine and repair the problem. A snap disc, rheostat, or high limit over-temp switches may need to be replaced. These devices will stop your fireplace from becoming too hot and cut the gas supply if the fire becomes too hot. Repair costs are determined by the complexity of repairs and where you reside.