Built with a dry case and a black steel housing

and 8402-090

refer to the specific unit’s conversion kit instructions and altitude adjustment charts to verify the required drill size

Does this heater require a specific mounting position

the Honeywell 315559E/U provides the precise restriction required to prevent oscillation and ensure stable valve or damper positioning

Trane SEN1520 Stat & Sensor 319847-401 Built with a dry caseFor field technicians and mechanical contractors, the Trane SEN1520 (also identified under part number SEN01520) is a critical OEM replacement 3 speed fan thermostat and sensor. This HVAC temperature control sensor is engineered specifically for Trane and American Standard air handlers, furnaces, and packaged units. It provides integrated control for three speed blower fan operation (Low, Medium, and High), ensuring accurate airflow modulation based