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Lennox CB30U-46 Gas Valve
The Lennox CB30U-46 gas valve controls all of the gas as it streams into the main unit. This important valve is most likely operated by the main circuit board on your system, if it is equipped with one.
What happens when my primary gas valve really needs to be replaced?
- The valve looks damaged
- System refuses to start
- You smell gas
- Furnace will not light
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