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Lennox G40DF-36A-045 Gas Valve
This safety valve is probably controlled by the control board on your system, if you have one. The main job of a gas valve is that it regulates all of the gas entering the furnace.
Major signs of an unhealthy valve that controls the gas
- The valve looks damaged
- Furnace will not light
- System refuses to start
- You smell gas
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If you are going to be buying or purchasing, do your due diligence and double check the correct model as well as make a visual comparison so that you are positive that the right gas valve is being ordered. The installing of the gas valve is a breeze assuming you have the time and have the proper tools to do it right.
Feel free to download your manual for help.
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