出现这4种情况，燃气灶“没坏也要换”！速自查→

Core Viewpoint - The article emphasizes the importance of replacing gas stoves and water heaters after their service life, which is generally not to exceed 8 years, to prevent safety hazards such as gas leaks and carbon monoxide poisoning [2][5]. Group 1: Replacement Criteria - Gas stoves and water heaters have a clear service life, typically starting from the date of sale and lasting no more than 8 years [2]. - Four key indicators to determine if a gas stove needs replacement include: 1. Functionality issues such as frequent extinguishing of flames or inconsistent water temperature from the heater [2]. 2. Flame color and emissions; a blue flame is normal, while black smoke or a pungent odor indicates a need for immediate replacement [2]. 3. Physical condition; any deformation or severe rusting of the stove should prompt replacement [2]. 4. The effectiveness of the flame-out protection device should be regularly checked [2][3]. Group 2: Safety Recommendations - Gas stoves with effective flame-out protection should cut off gas supply within 5-10 seconds after the flame goes out, preventing gas leaks [3]. - Regular maintenance is crucial; cleaning gas stove components like gas holes and nozzles can prevent blockages and ensure proper combustion [6]. - Avoid using incompatible energy-saving products like "energy rings" or "wind shields," as they can cause damage and lead to incomplete combustion [7][9]. - Regularly inspect gas connection hoses for aging or damage, and ensure compliance with safety standards [9]. Group 3: Usage Guidelines - Maintaining proper ventilation during gas stove use is essential to prevent oxygen depletion and ensure safety [11]. - It is advised to keep the stove monitored during use and to turn off the gas supply after cooking [11].