Description
connect the higher negative (closer to zero) to "H" and the lower negative (more vacuum) to "L"
Most technician-grade assemblies are ready for installation
or if it shows a visual burnout
Is the 100277742 compatible with all Lochinvar models
York 024-31601-000 Interlock 320720-756 connect the higher negative (closerThe 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