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this is a direct drop-in for the obsolete 11J31R04092
this switch serves as a critical vent pressure sensor that prevents operation during vent blockages or motor failure
reducing the risk of condensate pump clogs and biological buildup
it is industry best practice to install a new run capacitor whenever replacing a PSC condenser motor to ensure proper starting torque and electrical efficiency
Common symptoms include the pilot failing to light
Lennox 14M89 Tubing Kit 328140-751 this is a direct drop-inThe Lennox 14M89 Pressure Switch Tubing Kit is a critical replacement component designed for precise pressure monitoring within high efficiency Lennox furnace systems. This kit features high grade, flexible silicone tubing engineered to resist heat and maintain structural integrity under constant vacuum and positive pressure cycles. Proper furnace pressure switch calibration relies on the airtight fit provided by these OEM spec connectors, preventing