The 190-065 measures 6-1/4" L x 4-3/4" W x 3" D

Avoid mounting on the bottom where mineral deposits settle

blocked return or supply vents

ensuring compliance with rigorous safety standards while minimizing maintenance downtime through its integrated test button and lockable override lever

also recognized in the field as the QC-6

Modine 5H0730570004 Vent Switch The 190-065 measures 6-1/4" LThe Modine 5H0730570004 Vent Switch is a critical safety component engineered for precise thermal monitoring in high performance heating systems. This 220F manual reset blocked vent switch is designed to detect excessive flue gas temperatures caused by obstructions, ensuring the unit shuts down before hazardous conditions occur. Acting as a direct replacement for 5H73057 4, this OEM part maintains the operational integrity and safety standards