![](http://www.advantageaero.us/wp-content/uploads/2013/07/ADV-507239-420x280.jpg)
PMA P/N ADV-507239
Direct Replacement for OEM P/N 24D507239P02
- Epoxy potting process that seals out moisture and prolongs heater lifespan.
- No etching into heater sheath which removes stress riser potential.
- Meets current FAA flammability requirements.