Johnson Controls A-4000-142 Valve Station R-410A such as ignition lockout or

such as ignition lockout or open limit switches

allowing you to snap the stem to the required depth for your dial and bezel assembly

This 1/2-ton capacity valve is specifically factory-calibrated for R404A refrigerant

making it an essential component for high-limit safety applications

Johnson Controls A-4000-142 Valve Station R-410A such as ignition lockout orThe Johnson Controls A 4000 142 is a professional grade dual pressure reducing valve station designed for critical pneumatic control systems requiring high capacity 20 SCFM airflow. This integrated unit combines a four way bypass valve with a multi stage filtration system to ensure "instrument quality" air. The process begins with a coalescing filter to remove oil aerosols and liquid water, followed by an activated charcoal filter that eliminates oil