and MP-400 series

Steel) before installation

5" WC on the high-fire stage and 1

power electronics

Direct OEM Compatibility: Verified replacement for 1027351R

York 025-45539-000 Crankcase Heater 328140-751 and MP-400 seriesThe York 025 45539 000 Crankcase Heater is a critical OEM replacement part designed for high performance compressor protection in residential and commercial condensing units. Operating at 120V and 90 Watts, this heater maintains the necessary temperature differential to prevent refrigerant migration and liquid slugging during the off cycle. By keeping the lubricant warm, it ensures the compressor remains free of liquid refrigerant, which is vital for