Ensure the shaft is free of debris and burrs before sliding the fan into position to avoid fracturing the hub during installation

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This "slug" of cool water acts as a physical barrier

What is the maximum amperage for this relay base

It maintains precise alignment during valve travel

York S1-025-41100-000 Crankcase Heater Ensure the shaft is freeAs a service tech, you know that keeping the compressor oil at the correct temperature during the off cycle is critical for system longevity. The York S1 025 41100 000 Crankcase Heater is a rugged belt type crankcase heater designed to prevent refrigerant migration and oil foaming. Operating at 240 volts with a 70 watt output, this heater provides consistent thermal energy to ensure the HVAC compressor remains protected in cold ambient conditions.