It serves as the primary cross-reference for legacy part numbers 11116203

the valve should be installed in a horizontal line with the coil facing upward

Automatic thermal protection prevents motor burnout by disconnecting power if internal temperatures exceed safe operating limits

Integrating this genuine Trane part ensures complete electrical and mechanical compatibility

this is a 24V furnace gas valve

Siemens Building Technology S55180-A157 Control 319847-401 It serves as the primaryThe Siemens Building Technology S55180 A157 is a heavy duty SSE Series electronic actuator engineered for precise 0 10V modulation in commercial HVAC systems. This 24VAC non spring return (NSR) unit is designed for normally closed (NC) operation, making it a reliable solution for modulating airflow or hydronic flow when paired with compatible 599 Series zone valves. With a 1 10 inch (2. 5 mm) stroke and a fast 12. 5 second positioning time, it