the internal cutoff plate

As the verified OEM replacement for PRS3428 and PRS2428

NEMA 56 Frame: Rigid base or banded mounting capability ensures compatibility with most York commercial condenser brackets

The circuit will open on falling pressure according to your dial setpoint

York S1-025-49273-000 Heater Freon the internal cutoff plateThe York S1 025 49273 000 Crankcase Heater is a heavy duty compressor band heater engineered specifically for high voltage industrial HVAC systems. Operating at 460V and delivering a steady 40W output, this 50 inch heater band is essential for maintaining optimal oil viscosity in large frame compressors during the off cycle. By keeping the crankcase temperature above the refrigerant saturation point, it effectively eliminates refrigerant migration and