Gas heating systems require repair to keep them in their best shape, or else you risk residing in a frosty home separate from having water. This could cause your pipes to freeze while in Winter and make your indoor space totally inhabitable. Additionally, a neglected gas furnace could leak or catch fire. When you notice your Heating and Air Conditioning equipment’s tiny little gas valve isn’t now working well, you need to fix it right away because it regulates the gas flow and prevents catching fire. If the valve is broken, it won’t let enough gas into the burning chamber. Its ability to sense heat will also be curtailed, which might easily prevent it from sensing the increasing gas furnace temperature and subsequently fail to fully shut off the gas supply as needed. If your gas furnace’s valve is broken, you can just call an Heating and Air Conditioning worker to fix it or update it yourself, but before you try to embark on the gas valve updatement process, you need to get all the necessary tools you’ll need for the task. Find an updatement valve that is a replica of your old valve. Open the doors and windows to your house when you smell gas. If the horrid smell of gas does not dissipate after opening up your home, you might be facing an extreme gas leak that needs the attention of a real Heating and Air Conditioning professional. If everything is okay, proceed to remove the entire gas valve using a wrench. Put the new valve in the right spot and wrench it back to hold it tightly onto the gas furnace.