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this pre-filter (also identified as FLR06469) serves as the first line of defense
Key Technical Benefits: Precise Flow Modulation: The No
the 34K77 is a universal replacement across several Lennox International brands
Always verify the rotation of your existing Lennox 48J1001 prior to installation
Nordyne 632555 Pressure Switch 340155-7026 this pre-filter (also identified asThe Nordyne 632555 Pressure Switch is a critical dual stage safety component engineered for high efficiency gas furnaces and packaged units. As a genuine OEM HVAC replacement part, this switch monitors the negative pressure generated by the draft inducer motor, ensuring the flue is clear and combustion gases are safely exhausted before the ignition sequence begins. Designed to replace or cross reference with Nordyne 632555R, this component is
