York S1-025-37499-000 Flame Sensor To maintain the integrity of

To maintain the integrity of the sealed combustion system and ensure safe operation

Built with high-grade materials to ensure maximum conductivity

Avoid touching the black carbide element with bare hands

the 100% molecular sieve composition is optimized for HFCs and HFOs

provided the valve body remains intact

York S1-025-37499-000 Flame Sensor To maintain the integrity ofThe York S1 025 37499 000 Flame Sensor is a critical OEM safety component engineered for precise flame rectification in high efficiency gas furnaces. As a veteran grade HVAC replacement part, this sensor utilizes a high quality stainless steel rod designed to withstand extreme thermal conditioning without premature oxidation. It is the primary safeguard in the combustion cycle, ensuring the integrated furnace control board receives a steady DC