Lochinvar & A.O. Smith 100110810 Switch 319848-301 Simplified Maintenance: Diffusion-based technology eliminates

Simplified Maintenance: Diffusion-based technology eliminates the need for external pumps or filters

and steam systems up to 366°F

Dual-Speed Performance: Features 1325/1100 RPM settings to support varied airflow requirements and operational modes

maintaining thermal accuracy is non-negotiable for system longevity and prevents short-cycling

designed to handle the high operating pressures of modern refrigerants while maintaining a leak-free seal

Lochinvar & A.O. Smith 100110810 Switch 319848-301 Simplified Maintenance: Diffusion-based technology eliminatesThe Lochinvar & A. O. Smith 100110810 Blocked Inlet Switch is a critical safety component designed for high efficiency gas water heaters and commercial boilers. As an OEM air pressure switch, this part is engineered to monitor differential pressure within the intake system. If the sensor detects an obstruction in the air supplycaused by debris, ice, or improper ventingit immediately breaks the electrical circuit to the control board, initiating a