While cleaning with a fine abrasive may temporarily restore the signal

Accurate pneumatic thermostat operation depends on unobstructed airflow

Robust Enclosure: Features a NEMA 1 protection rating with a durable aluminum cover to withstand typical mechanical room environments

Integrated Wire Clip: Includes the critical retention clip to prevent lead wire vibration and disconnects during high-speed operation

ensuring a lower torque restart

Johnson Controls P499RCP-105 Pressure Transducer 30067439-890 While cleaning with a fineThe Johnson Controls P499RCP 105 is a high performance electronic pressure transducer engineered specifically for the rigors of commercial refrigeration and HVAC applications. Built with a single piece machined 17 4PH stainless steel pressure port, this unit eliminates internal O rings and weld joints, providing a leak proof seal that stands up to heavy pressure pulsations and vibration. It features a 0 to 500 psi range and a precise 0. 5 to 4. 5 VDC