Resideo Q354A1000/B Flame Sensor R-448A You should also check for

You should also check for a cracked lens or soot buildup on the sensor face before replacing

Field technicians rely on its consistent resistance-to-temperature curve to maintain strict environmental tolerances in commercial HVACR applications

Leveraging ASCO 8214 Series technology

Operating on a 120Vac supply voltage

verify the part number on your existing unit

Resideo Q354A1000/B Flame Sensor R-448A You should also check forThe Resideo Q354A1000 B Flame Sensor is a precision engineered flame rectification sensor designed for rigorous HVAC environments. Featuring a 2. 92 inch Kanthal rod, this component is essential for detecting the presence of a main burner flame in heating systems. It provides a vital signal to the direct spark ignition (DSI) or hot surface ignition control board, ensuring that gas flow is only permitted when a stable flame is established. This sensor