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allowing for targeted cleaning or replacement of the flame rod rather than trial-and-error part swapping
providing the structural integrity required for refrigerant piping systems
70" WC pressure switch
Technicians should use a DC microammeter connected to the FC+ and FC- flame current test pins
Lennox 69W27 Orifice 318518-761 allowing for targeted cleaning orThe Lennox 69W27 is a precision engineered 1 16" natural gas orifice designed specifically for compatible Lennox gas fired heating units. This gas burner orifice serves as the critical metering component within the manifold assembly, ensuring the correct BTU input and stoichiometric fuel to air ratio for safe combustion. Machined from heavy duty brass to resist corrosion and thermal degradation, the 69W27 burner nozzle maintains a consistent 0. 0625
