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Key Benefits Direct OEM Compatibility: Specifically calibrated for Lennox HM61 systems and furnace models requiring the 51M93 or 51M9301 catalog numbers
the 34K77 is a universal replacement across several Lennox International brands
this is a mechanical ASCO repair kit
Key Technical Benefits: Precise Flow Modulation: The No
Nordyne 632555 Pressure Switch 340155-7026 Key Benefits Direct OEM Compatibility:The 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
US$ 14.95
US$ 47.96
US$ 129.95
