Pelton & Crane OCM Sterilizer

Defect: Thermometer reads more than 4°F below required temperature at given pressure

The bellows, temperature gauge, or pressure gauge are/is faulty, OR, air valve housing must be cleaned or replaced.

Replace bellows, temperature/pressure gauges if necessary; clean or replace housing.

Repairing an autoclave temperature gauge is not an option due to calibration issues and atmospheric pressures.