Critical Safety Protection: Prevents hazardous overheating conditions by interrupting the burner circuit if airflow is restricted

though your control circuit will provide the line or low voltage to be switched across the contacts

Direct Compatibility: Engineered for seamless physical and electrical integration with 115V York and JCI air handling units

and inert gas service

ensuring a sealed system that prevents unfiltered air leakage

Modine 5H0749330003 Relay 320720-756 Critical Safety Protection: Prevents hazardousThe Modine 5H0749330003 Relay is a heavy duty, OEM spec electromagnetic switch engineered for 120V heating systems. This industrial unit heater relay serves as the primary interface between low power control signals and high power blower or burner circuits, ensuring seamless ignition and fan sequencing. As a genuine Modine replacement part, it is listed under cross reference R4222D1039, maintaining the precise electrical tolerances required for Modine