Lennox 10H67 Control Module 321702-401 the HN52KD024 is built to

the HN52KD024 is built to resist pitting and welding under heavy electrical arcing

Broad Refrigerant Compatibility: Rated for use with R-22

compact enclosure for faster field wiring

The precise metering capability of this thermostatic expansion valve is essential for vintage R-22 HVAC repair jobs where efficiency and component longevity are the primary objectives

Lennox 10H67 Control Module 321702-401 the HN52KD024 is built toThe Lennox 10H67 is a critical HVAC control module designed for high performance management of blower motors and ignition sequences in residential and commercial units. As a veteran grade OEM Lennox replacement part, this module serves as the primary interface for regulating airflow and temperature adjustments across specialized Lennox furnace models, including the GHR32 and GHR34 series. It functions as the system's electronic brain, facilitating