This specific cartridge is rated for 20 SCFM systems

This is a mechanical rebuild kit for internal components

fitting Ovenpak 400/500 series with 1/2" NPT threads

When a furnace experiences short-cycling or fails to sustain a burner ignition sequence after the trial for ignition period

What happens if the 35+5 MFD rating is mismatched

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