A gas cock is a plug valve installed in the main gas line, typically used to control the flow of natural gas or propane to appliances like stoves, water heaters, furnaces, and boilers. It allows for manual shutoff of the gas supply during installation, maintenance, or emergencies. Gas cocks are essential safety components in gas plumbing systems, providing an immediate way to isolate the gas supply in case of leaks or other hazards. Made from materials like brass or stainless steel, gas cocks are designed to withstand gas pressure and prevent leaks. They are equipped with a lever or knob for easy operation and are often installed near gas appliances or at the gas meter for convenient access.
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