Always verify the orifice size and mounting bracket configuration against the existing manifold to ensure a seamless fit during service calls

75-inch orifice

To use it with Liquid Propane

the furnace will typically enter a lockout state where the inducer motor runs continuously

Lennox 16F21 Motor 322057-301 Always verify the orifice sizeThe Lennox 16F21 Motor is a high performance direct drive condenser fan motor engineered for heavy duty commercial and industrial HVAC applications. This 3 4 HP motor operates at a fixed speed of 1060 RPM and is optimized for 460V single phase electrical systems. As a genuine OEM Lennox replacement part, it ensures precise mechanical alignment and electrical compatibility with units such as the GCS16, CHA16, and CHA11 series. Designed with a Permanent