Lennox 59436 Air Filter L99H008 Key Benefits Universal Application Compatibility:

Key Benefits Universal Application Compatibility: Designed to work with both DA and RA thermostats and NO or NC damper configurations

it ensures proper fitment and terminal alignment in heater packages

making it suitable for high-rise commercial loops and industrial process cooling

A tripped limit switch will show an open circuit when the furnace is cold

This genuine Totaline replacement part maintains the structural integrity of the furnace’s safety circuit

Lennox 59436 Air Filter L99H008 Key Benefits Universal Application Compatibility:The Lennox 59436 Air Filter is a heavy duty 20x25x1 washable air filter designed specifically for demanding commercial and industrial HVACR environments. Engineered for precision fitment in Lennox economizer sections and rooftop units, this OEM replacement filter (also cataloged as Lennox P 8 7831) utilizes a washable foam or aluminum mesh media to provide high efficiency pre filtration. Its synthetic material construction is optimized for a MERV 10