Johnson Controls P400BD-1 Pressure Switch Els PW 29614 this valve is factory-set and

this valve is factory-set and sealed at 50 PSI

OEM Compatibility: Exact factory replacement for 940-C411-72

Do I need to depressurize the system to change the coil

What is the difference between the C-303 and C-303-S

Johnson Controls P400BD-1 Pressure Switch Els PW 29614 this valve is factory-set andThe Johnson Controls P400BD 1 Pressure Switch provides critical single point differential oil pressure monitoring for commercial refrigeration and HVAC compressors. This OEM component acts as a direct replacement for P300BD 1 units, ensuring seamless integration into existing control circuits. Engineered with a 10 1. 5 PSID open point and a close point set at less than or equal to 3 PSID above the differential opening, this switch prevents