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Lennox XC16 Gas Valve
This safety valve is probably controlled by the main circuit board on your heating system, if it is equipped with one. The Lennox XC16 gas valve governs all of the gas as it comes into the HVAC system.
Some warnings of a worsening regulating gas valve
- System refuses to start
- Furnace will not light
- You smell gas
- The valve looks damaged
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