Lennox 12W78 Drain Pan 30067439-890 Frequent trips usually indicate a

Frequent trips usually indicate a gas supply pressure drop

Common Questions: Can this be used for back-siphonage backflow prevention

the unit supports both DIN rail and panel mounting

Secure Mounting: Includes a 7/16-27 mounting nut to ensure the probe remains stable under high-vibration conditions

significantly reducing check fouling

Lennox 12W78 Drain Pan 30067439-890 Frequent trips usually indicate aThe Lennox 12W78 is a heavy duty vertical drain pan engineered for superior condensate management in high efficiency upflow configurations. This genuine OEM replacement part is specifically designed to fit 12 inch and 15 inch diameter Lennox commercial air handlers and select residential condensing units. Built from non corrosive, high impact materials, the 12W78 prevents moisture accumulation that can lead to structural damage or secondary heat