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As a veteran-grade OEM furnace flame sensor
the MARS 12745 includes an internal UL-recognized pressure-sensitive interrupter for fail-safe protection
Restoring the internal seal prevents moisture from reaching the 2-wire or 3-wire motor assemblies
When the temperature reaches the fixed 150
The kit includes a pre-wired DIN connector and a standard 3-prong U
York S1-025-37499-000 Flame Sensor As a veteran-grade OEM furnaceThe 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
