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Lennox HP13-048 Gas Valve
This gas valve is ran by the main circuit board attached to your air handler, if present. The main job of a gas valve is that it controls the flow of the natural gas as it streams into the system from the gas pipe.
Major clues the main gas valve is in dire need of a replacement
- You smell gas
- The valve looks damaged
- System refuses to start
- Furnace will not light
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