Johnson Controls A-4000-1037 Filter Designed specifically for Robertshaw 722

Designed specifically for Robertshaw 722 series dual gas valves

Always verify static pressure before replacing the 10728306 limit switch

Industrial Grade Build: Features a rugged metallic housing and high-grade dielectric oil for heat dissipation

the switch automatically closes the circuit

In this state

Johnson Controls A-4000-1037 Filter Designed specifically for Robertshaw 722As 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