Description
Restore essential safety protection to your Bosch appliance with the genuine 00422272 High-Limit Protector. This manual reset thermostat is designed to cut power to the heating component if the operating temperature exceeds the safe limit, preventing overheating and potential damage.
Features & Benefits:
- Manual reset function requires user intervention to restore heat after a safety trip.
- OEM Bosch component ensures accurate trip temperatures (NC175 250~ indicated on similar parts).
- Features a sturdy metal mounting plate for secure installation in the heater duct.
- Protects the heating element and other internal components from excessive heat.
Common Symptoms That Indicate Replacement:
- Dryer runs but produces no heat because the safety device has tripped permanently.
- The appliance overheats, and the unit will not restart until the manual reset button is pressed.
- The thermostat does not cycle the heat correctly during normal operation.
Compatible Models Include:
- WTMC6300US/01
- WTVC833PUS/09
- WTMC532SUS/02
- WTMC3321US/03
- WTMC533SUS/02
Cross-Reference / Replaces: 00422272 (Also references 422272)
Compatibility Note: A high-limit thermostat tripping often means there is restricted airflow. Always check and clean the lint screen and exhaust vent before replacing this part, as repeated tripping will occur if the underlying airflow issue persists.

