Johnson Controls A-4000-1037 Filter the switch automatically closes the

the switch automatically closes the circuit

Rugged Construction: Built to withstand the harsh vibration and thermal fluctuations common in commercial air handlers and rooftop units

while commonly found in blower groups

5508) and Direct Vent (4007

Johnson Controls A-4000-1037 Filter the switch automatically closes theAs a seasoned technician, you know that keeping oil aerosols and vapors out of pneumatic lines is non negotiable for system longevity. The Johnson Controls A 4000 1037 is a critical inline oil removal filter designed specifically for pneumatic control systems where air purity is paramount. Featuring a 1 4" barb connection, this compact unit serves as a high efficiency coalescing filter that traps sub micron oil particles before they can foul sensitive