Optimized Efficiency: Features interlocking air bands for positive adjustment and a flame retention head for lower emissions and reduced soot

This specific model features Buna-N seals rated for air and water

vibration-resistant fit into the safety control block

Delivers dual-function sensing by combining temperature and humidity monitoring into a single compact housing

Lochinvar & A.O. Smith 100111058 Outlet Switch 322055-301 Optimized Efficiency: Features interlocking airMaintain the safety and operational integrity of commercial water heating systems with the Lochinvar & A. O. Smith 100111058 Blocked Outlet Switch. This genuine OEM safety control is engineered to monitor exhaust vent conditions in high efficiency appliances, including the BTH, SUF, and HCG Series. Functioning as a critical pressure sensing switch, it detects obstructions in the exhaust path and immediately triggers a system shutdown to prevent the