Built with a heavy-duty forged brass body

Broad ICP Compatibility: Engineered for seamless integration with Heil Quaker

The robust 115V coil contactor design provides reliable switching for compressors and motors

In high-efficiency condensing gas furnaces

York 024-31601-000 Interlock 319852-301 Built with a heavy-duty forgedThe York 024 31601 000 Interlock is a safety critical OEM replacement part designed for commercial HVAC equipment, including air handling units, chillers, and furnace systems. As a genuine Johnson Controls mechanical interlock, this component provides a physical secondary safety layer that prevents hazardous simultaneous operation of electrical circuits or mechanical assemblies. This HVAC safety device is essential for maintaining the operational