York 025-35139-000 Crankcase Heater 321894-708 this SP12189 assembly provides the

this SP12189 assembly provides the exact static pressure requirements specified by the manufacturer for optimal combustion efficiency and system reliability

By utilizing authentic OEM HVAC replacement parts

while the NEMA 4 enclosure rating protects internal components from moisture and dust in demanding mechanical rooms

Standard protocol for HVAC preventative maintenance suggests replacement during any major service

York 025-35139-000 Crankcase Heater 321894-708 this SP12189 assembly provides theThe York 025 35139 000 Crankcase Heater is a critical OEM component designed to maintain optimal compressor sump temperatures in York HVAC systems. This compressor heater is specifically engineered to prevent refrigerant migration during the off cycle, ensuring that refrigerant does not condense in the compressor oil. As a veteran technician knows, preventing liquid slugging at startup is essential for maintaining internal lubrication and protecting