the A28AA-20 is the designated replacement

ensuring they don't obstruct airflow or interfere with the coilÆs heat transfer efficiency

This model includes integrated mounting feet for rapid

5°F to 16°F normal range

reducing downtime during field service calls

Trane KIT9370 Retrofit Kit R-410A the A28AA-20 is the designatedThe Trane KIT9370 is a comprehensive furnace control board retrofit kit engineered to replace obsolete White Rodgers integrated furnace controls. This OEM spec kit serves as the direct replacement for 50A51 506 and 50A51 507 ignition modules found in many residential and light commercial Trane and American Standard furnaces. By upgrading to the Trane KIT9370 Retrofit Kit, technicians transition from older Silicon Carbide (SiC) ignition systems to high