Aaon P89030 Crankcase Heater serving as a primary defense

serving as a primary defense against hazardous flue gas backup

this model is a pressure-only relief valve designed for hot water heating and supply systems

This OEM start relay is a direct replacement for RLY03148 and D154983P01

This pneumatic pressure gauge is used as a local indicator for the output signals of pneumatic transmitters measuring temperature

Direct OEM Replacement: Ensures exact fitment for York

Aaon P89030 Crankcase Heater serving as a primary defenseAs a field tested technician, you know that cold start liquid slugging is a leading cause of compressor failure in 460 volt commercial systems. The Aaon P89030 Crankcase Heater is a critical OEM replacement part designed to maintain lubricant temperature and prevent refrigerant migration during the off cycle. This belt style heater wraps securely around the compressor housing, providing 50 watts of consistent thermal energy to ensure the oil remains