the 0121409 meets current environmental regulations for potable water systems

When excessive heat is detected outside the combustion chamber—often caused by a cracked heat exchanger

this kit includes the 013464F control circuit board

Always verify the part number against your unit's data plate or service manual before installation

Armstrong Furnace R02708C026 Burner 320735-701 the 0121409 meets current environmentalThe Armstrong Furnace R02708C026 Burner is a critical OEM replacement part engineered to maintain the efficiency and safety of your heating system. This high performance furnace burner assembly includes an integrated pilot bracket, ensuring precise alignment for the ignition source and consistent flame stability across the heating cycle. Designed specifically for compatibility with Armstrong Air and Allied furnace models, this component is essential