38457412 is an OEM Ingersoll Rand replacement temperature probe that was used on their smaller series refrigerated air dryers. This attaches to the inside of the dryer to sense the dew point of the air. Often times if your air dryer controller reads PF1, HTA, HT2, LTA, ESA or ES2 this probe may need replacement.
This probe was used on the following Ingersoll Rand refrigerated air dryer:
Part #: 38457537
Part #: 38457511
Part #: 24241895
Part #: 38457917
Part #: 88343124