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A critical technical feature for service technicians is the replaceable packing gland

By utilizing nickel-metal hydride chemistry

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Lennox 17J65 Orifice 322056-301 or a blank status displayThe Lennox 17J65 Natural Gas Orifice (Part Number LB 69645) is a precision engineered heating component designed specifically for secondary burner regulation in residential furnaces. With a drill size specification of 0. 0935, this OEM Lennox replacement part ensures the exact volumetric flow rate required for efficient combustion and peak AFUE ratings. As a veteran technician knows, maintaining the correct manifold pressure depends entirely on the