Lennox 12W78 Drain Pan 318172-701 Does this model require an

Does this model require an external equalizer line

For a standard 6-cylinder 06E application

Built with a totally enclosed air over (TEAO) design

Versatile Compatibility: Engineered for use with all common refrigeration lubricants and fits multiple standard container sizes

it maintains critical airflow performance and static pressure integrity within residential and light commercial air handlers and furnaces

Lennox 12W78 Drain Pan 318172-701 Does this model require anThe 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