This specific cartridge is rated for 20 SCFM systems

making it suitable for demanding commercial and residential environments

What happens if the 35+5 MFD rating is mismatched

This is a mechanical rebuild kit for internal components

Johnson Controls A25AN-1 Temperature Control 30067439-890 This specific cartridge is ratedThe Johnson Controls A25AN 1 is a heavy duty warm air limit control designed for high limit protection in forced air heating systems. This mechanical temperature control features a single pole single throw (SPST) switch configuration that opens on temperature rise, providing a critical safety cutoff to prevent furnace overheating. With a setpoint range of 25 to 215F and a manual reset mechanism, the A25AN 1 ensures that equipment remains offline until