York S1-325-45231-000 Ignitor THPU32HP7Y Heavy-Duty Bronze Construction: Resists dezincification

Heavy-Duty Bronze Construction: Resists dezincification and thermal stress for long-term field reliability

maintaining system pressure and preventing premature refrigerant loss

This replacement thermostat key provides authorized access to locked thermostat covers

Check the existing housing interface during installation

York S1-325-45231-000 Ignitor THPU32HP7Y Heavy-Duty Bronze Construction: Resists dezincificationThe York S1 325 45231 000 Ignitor is a heavy duty silicon nitride ignitor kit designed as a direct hot surface ignitor replacement for high efficiency gas furnaces. As a veteran grade OEM furnace part, this 120V component utilizes advanced silicon nitride construction to resist thermal shock and oxidation, outperforming older silicon carbide units in both durability and speed. This assembly is engineered to provide precise furnace ignition