Smith 100173749 Heat Exchanger Access Door is a critical combustion chamber component engineered for Lochinvar Knight WB and SNA/SLA series boilers

277V Commercial Compatibility: Designed for high-voltage commercial electrical systems

For most compatible M&M series

preventing structural damage to the heat exchanger during restricted airflow conditions

Daikin-McQuay 2539348 EEV Coil Els PW 17895 Smith 100173749 Heat Exchanger AccessThe Daikin McQuay 2539348 EEV coil is an electronic expansion valve coil used in Daikin McQuay HVACR refrigeration systems to control refrigerant flow with precision. This EEV coil (electronic expansion valve coil) operates as the electromagnetic actuator for the expansion valve, ensuring accurate superheat control and stable system performance in chillers, rooftop units, and split systems. Built for compatibility with Daikin McQuay 2539348