an "Open Loop" (OL) reading on your multimeter indicates a failed resistor that needs replacement

Verify the part number printed on your existing board or check the manufacturer parts list for your specific model number

High Load Capacity: Rated for full-load inductive currents

the SEN1199 is frequently utilized as a discharge air sensor (DAS) or outdoor air sensor (OAS) in compatible Trane commercial equipment

Built for 13 SEER efficiency standards

Browning AK49X5/8 Sheave 326058-756 an "Open Loop" (OL) readingThe Browning AK49X5 8 is a heavy duty single groove sheave engineered for high performance power transmission in fractional horsepower HVACR applications. Precision machined from close grain cast iron, this 4. 75" outside diameter pulley provides exceptional durability and wear resistance compared to standard alternatives. It features a 5 8" finished bore complete with a standard 3 16" keyway and setscrew, ensuring a secure fit on motor shafts without