York S1-025-41100-000 Crankcase Heater Optimizes combustion efficiency by restricting

Optimizes combustion efficiency by restricting airflow to precise factory tolerances

Reduced Arcing: High-performance contact materials prevent premature failure caused by electrical arcing during compressor cycling

ensuring the control board recognizes the signal immediately

whereas the 180-degree (pigtail) version is standard for horizontal run-offs

Its cadmium-plated steel construction provides essential corrosion resistance

York S1-025-41100-000 Crankcase Heater Optimizes combustion efficiency by restrictingAs 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.