Staff Answer
Sep 25, 2026 - 08:29 AM
Good news: the Norcold/Dometic Interrupter 621737 is in stock right now. The N300 itself is discontinued, and Norcold's replacement is the Norcold N4150. See our Norcold replacement guide.
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.
