Once it has been exposed to temperatures exceeding its 442°F rating

System Longevity: Prevents acidic condensate from backing up into the heat exchanger

and UDAS heater models

while it is rated for a maximum of 600VAC

Aaon P87140 Sensor Els PW 17895 Once it has been exposedThe Aaon P87140 Duct Temperature Sensor is a precision HVAC thermistor designed for high accuracy air temperature monitoring in HVACR control systems. This 10k ohm Type II thermistor is the direct replacement for the Aaon OE231 temperature sensor, ensuring seamless integration with legacy Aaon rooftop units and heat pump systems. Built for durability in high airflow environments, the P87140 sensor provides stable resistance output to the main