Advanced Economization: Enables full modulation of outdoor air to maximize energy savings during favorable ambient conditions

it manages the ignition sequence and main burner operation while ensuring safety via internal pressure regulation and redundant solenoids

ensuring balanced power consumption and thermal stability

Common indicators include "Ignition Failure" or "Flame Failure" codes where you have a verified spark but no gas flow or pressure rise at the manifold tap

Lennox 16A66 Inducer Assembly 320734-701 Advanced Economization: Enables full modulationFor service technicians working on high efficiency Lennox gas furnaces, the 16A66 Inducer Assembly (also known by model number LB 94724AL) is a critical OEM component for restoring proper forced draft combustion. This draft inducer motor assembly is engineered for precision venting, utilizing a three phase motor rated for 33 110V and operating within a 60 180Hz frequency range. With a performance profile of 1500 4700 RPM and a 1 20 HP rating, it