Staff Answer
Sep 28, 2026 - 06:14 AM
The 621156 vent door fits a 13-3/4" x 21-1/2" cutout, which is very close to your 13.5" x 21". It's the standard vent door for many N611 setups. Measure the actual hole in the wall one more time, and if it matches, you're good to go. It's in stock in several colors.
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.
