5" WC Natural Gas

and 0-10VDC analog outputs

according to the manufacturer specifications

It is used in Trane and American Standard air handlers and furnaces that require a high-torque 1 HP ECM motor for 115V configurations

Lennox Y4151 Module 30067439-890 5" WC Natural GasThe Lennox Y4151 is a professional grade 2 Phase 3 Speed PSC Module designed to regulate Direct Drive Blower Motor performance in high efficiency HVAC systems. As a veteran preferred Lennox OEM replacement part, this module provides the precise control logic required for 2 stage heating and cooling applications, ensuring the PSC motor transitions seamlessly between low, medium, and high speed taps. This component serves as the direct replacement for