Aaon P72120 Heater System Longevity: Helps maintain oil

System Longevity: Helps maintain oil dielectric strength by removing moisture and acid before they react with the compressor lubricant

This SPST open-on-rise switch features a 3/4-inch snap disc and handles an adjustable temperature range of 175°F to 215°F

the 068U1039 ensures stable superheat and reliable metering across its rated capacity

this cast iron sheave minimizes vibration and reduces mechanical drive losses by securing a tight fit on the 1" motor or fan shaft

code-compliant wiring

Aaon P72120 Heater System Longevity: Helps maintain oilThe Aaon P72120 Crankcase Heater is a mission critical OEM replacement part designed for high performance HVAC compressor protection. Operating at 480 Volts and delivering 70 Watts of consistent thermal energy, this belt type heater is specifically engineered to fit compressors with a 7" diameter. By maintaining optimal lubricant temperature, it effectively prevents refrigerant migration and liquid slugging during the off cycle, which are primary