IMAGE COMING SOON
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The Goodman 20162903 is a genuine OEM primary high-limit switch engineered for the Amana/Goodman AMH80904BXCC 80% AFUE gas furnace and compatible 80,000–90,000 BTU platforms. This safety-critical control monitors heat-exchanger temperature and interrupts the gas valve if the furnace overheats — protecting the unit and your home from unsafe operating conditions caused by restricted airflow, a dirty filter, or a failed blower.
The OEM 20162903 arrives pre-calibrated to Goodman's exact 150°F trip specification with the correct bracket and terminal geometry for a plug-and-play swap. Generic snap-disc equivalents may match the temperature rating but often require re-orienting terminals or bending the mounting tab. For a safety device, we recommend OEM.
Easy (2/5) — Cut power, unplug two spade terminals, remove two screws, and reverse. Typical time 15–20 minutes for a DIYer comfortable working inside a furnace cabinet.