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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
this is a fixed-setpoint safety device
The internal poppet-type check valves operate independently to provide reliable protection against backpressure and backsiphonage
Direct Plugin Installation: Features standardized wiring harnesses for a faster swap-out during high-stakes emergency service calls
Key Benefits for Technicians: Exact OEM Calibration: Precise set points ensure the switch closes only when the correct negative pressure is achieved
This Lennox 620 pilot assembly features a factory-calibrated 0
Lennox 80K25 Pressure Switch Refrigerant this is a fixed-setpoint safetyThe Lennox 80K25 Pressure Switch is a critical safety component designed for precise combustion air pressure monitoring in Lennox, Armstrong, and Ducane furnace systems. This genuine OEM replacement part, also identified as 80K2501 or Honeywell IS20407 5896, features a fixed set point of . 24" WC (Water Column). Engineered with a Single Pole Single Throw (SPST) contact configuration, it ensures the inducer motor is moving sufficient air before