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Carrier FY4ANF024000 Gas Valve
This valve is monitored by your control board which is affixed to the main HVAC system, if equipped. The main job of a gas valve is that it regulates the flow the gas entering the HVAC system.
Main clues the main gas valve is dead
- The valve looks damaged
- Furnace will not light
- System refuses to start
- You smell gas
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