The York S1-03103495000 Ignition Control Board interlocks with the heating and cooling system’s critical components to ensure they start and stop appropriately in relation to the ignition process.
Real OEM controls improve your unit’s functionality and extend its lifespan so that you can make the most of your investment
Fits popular 1LD0436, 1LD0451, 1LD0430 units and more (see FITS MODELS below for complete list)