typically connecting to the 24VAC common (C) and cooling (Y/Y1) terminals via the provided blue

As a veteran-grade boiler safety control

While the D1179 is built for durability

preventing premature failure often associated with generic aftermarket seals

Its compact footprint and robust windings ensure consistent performance under variable thermal loads

Lennox 59436 Air Filter 326010-701 typically connecting to the 24VACThe 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