Johnson Controls A-4000-612 Filter Cartridge Using it in larger units

Using it in larger units will result in improper seat pressure and system failure

Direct cross-reference for the S1-024-35777-000 simplifies part matching and inventory management

It is compatible with any Building Automation System (BAS) or controller calibrated for a 1k ohm nickel RTD (Nickel-Iron Balco) input curve

this auto reset furnace limit switch prevents short-cycling and erratic blower operation caused by restricted airflow or failing thermal sensors

but if it accepts Innovair series accessories

Johnson Controls A-4000-612 Filter Cartridge Using it in larger unitsThe Johnson Controls A 4000 612 is a dry type replacement filter cartridge engineered for high performance pneumatic control systems. Designed for intake air filtration, this cartridge features a 10 micron rating with an impressive 99% efficiency, ensuring that solid contaminants are intercepted before they can damage downstream instrumentation or blowers. With a nominal flow capacity of 10 SCFM (up to 15 SCFM in specific configurations), it maintains