Lennox 80K25 Pressure Switch Refrigerant providing the structural integrity and

providing the structural integrity and chemical resistance required for long-term industrial and residential heating applications

this cast iron motor utilizes a TEAO (Totally Enclosed Air Over) enclosure and Class B insulation to maintain performance in demanding environments

Manufactured with high-density activated carbon

It features a calibrated plastic tube containing a white material and a red oil-soluble dye

While the unit is factory calibrated at 9 PSI

Lennox 80K25 Pressure Switch Refrigerant providing the structural integrity andThe 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