Staff Answer
Sep 25, 2026 - 12:33 AM
For the Polar N8X, the thermistor is the 638391/ 50824, and it's in stock. Temperatures swinging that much can also come from the thermistor not being clipped firmly to the fins, so check its position when you install the new one. If you have any questions, just reach out at info@rvfridgeguys.com or call us at 800-712-8822. You can find everything we carry at www.rvfridgeguys.com.
