Combustion Optimization: Helps prevent common issues like "lazy flames" or excessive carbon monoxide production by maintaining the correct gas velocity

and 0-10VDC analog outputs

Standard Hub Design: Designed for rapid installation on common McQuay chiller parts motor shafts

Standard 3/16 tube sizing allows for straightforward integration with existing gas lines

Always handle the silicon element by the ceramic base

Lennox Y4151 Module 30067439-890 Combustion Optimization: Helps prevent commonThe 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