Lau 02895769 Blower Wheel a fouled or oxidized sensor

a fouled or oxidized sensor is the primary cause of furnace short cycling or no flame detection error codes

these are standard thread-in style units that are often interchangeable with other brands

any sampling tube exceeding 3 feet in length requires mechanical support at the end opposite the detector to prevent vibration or sagging within the ductwork

What happens if the pressure stays below 67 PSI

Lau 02895769 Blower Wheel a fouled or oxidized sensorThe Lau 02895769 Blower Wheel is a high performance single inlet centrifugal fan wheel engineered for precise air movement in restricted spaces. Designed as the primary direct replacement for S1 8865 3611, this wheel features a 3 13 16" diameter and a 1 7 8" width, making it a critical component for maintaining static pressure in packaged terminal air conditioners (PTAC) and fan coil units. Constructed from heavy duty galvanized steel, it provides the