Lennox 12W78 Drain Pan 318518-761 This assembly is specifically for

This assembly is specifically for digital heater models utilizing an electronic spark-to-pilot ignition system and will not function with millivolt standing pilot or thermopile-based heaters

The direct acting mode of operation ensures that the internal SPDT relay (1 NO / 1 NC) is energized when the liquid level reaches the probe

The 48Z NEMA frame features a 5-5/8 inch diameter and utilizes an Open Air Over (OAO) enclosure

AAON Compatibility: Factory-calibrated to

this 10KW heating accessory provides the exact thermal lift required for consistent indoor comfort in residential and light commercial settings

Lennox 12W78 Drain Pan 318518-761 This assembly is specifically forThe 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