Johnson Controls A-4000-120 Oil Indicator Els PW 17895 Specifically designed for versatility

Specifically designed for versatility

Cleaning may provide a temporary fix

but typically ranges from 25 to 30 psid for 3

ensuring a direct drop-in replacement for existing installations

Reliable Switching: SPST switch configuration provides a clean signal to the control board for consistent cycle initiation

Johnson Controls A-4000-120 Oil Indicator Els PW 17895 Specifically designed for versatilityThe Johnson Controls A 4000 120 is a precision oil indicator with needle valve assembly designed for critical diagnostics in pneumatic control systems. Engineered to detect aerosol mist levels of oil entrainment, this instrument ensures that compressed air remains within the strict purity standards required to prevent fouling of downstream pressure reducing valves and sensitive pneumatic components. With a high level of sensitivity, the device can