Automatic Reset Functionality: Eliminates manual intervention by restoring power once temperatures stabilize within safe limits

14 orifice ensures precise fuel delivery for liquid propane applications

When servicing specialized boiler sight glass assemblies

The assembly includes the spring

Precision Installation: Features a factory-tapped 1 7/16-inch bore for secure mounting to standard high-torque shafts

Lochinvar & A.O. Smith 100208242 On/Off Switch 323055-751 Automatic Reset Functionality: Eliminates manualThe Lochinvar & A. O. Smith 100208242 On Off Switch is a critical OEM replacement power switch engineered for high efficiency hydronic and water heating systems. As a veteran grade HVAC control component, this rocker style switch features a clearly defined "I O" symbol for definitive status verification during boiler troubleshooting and routine HVAC maintenance. Designed for 120V circuits, it serves as the primary manual disconnect on the control