This 9x9 blower wheel is a standard component for many Nordyne

Unlike standard brass trim kits

Standardized Flange Mounting: Designed for ANSI 125 pipe flanging

the thermocouple is likely no longer producing the necessary millivoltage to hold the gas valve open

The Functional Devices TR40VA004 is a versatile 40VA multi-tap power transformer engineered for reliable 24Vac secondary output in demanding HVACR and building automation environments

Trane SEN1816 Sensor 30067439-890 This 9x9 blower wheel isThe Trane SEN1816 Sensor is a genuine OEM replacement component designed for use in compatible Trane commercial and residential HVAC systems. This Trane SEN1816 sensor monitors critical operating conditions and provides accurate feedback to the system control board, helping maintain proper equipment performance, system efficiency, and reliable operation. When servicing Trane equipment, using a genuine OEM Trane sensor helps ensure proper communication