The heavy-duty internal contacts are built to withstand the high inrush currents typical of stationary cooling systems using R134a or R404A refrigerants

which translates to a precise

When diagnosing common issues like short-cycling or unresponsive blowers

How do I test the York S1-025-41318-000 for continuity

Nordyne 626619 Limit Switch The heavy-duty internal contacts areThe Nordyne 626619 Limit Switch is a critical safety component designed for precise thermal regulation in HVAC furnace systems. As an OEM replacement part, it ensures your equipment adheres to original manufacturer specifications, effectively managing blower cycles and preventing overheating. This auto reset limit switch features a 140F open and 100F close configuration, providing a reliable 40 degree differential to maintain stable heat exchanger