Staff Answer
Sep 28, 2026 - 06:16 AM
The heater depends on your cooling unit's serial number, which is on the cooling unit itself (not the fridge's decal). The 630811 has been replaced by the 638374 AC heater, which is for cooling units with serials above 11231023. For serials below that, use the 621702 AC heater. Both are in stock.
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.
