Always verify your specific thermostat model matches the terminal connector specifications

preventing premature wear on high-value components and maintaining the integrity of the refrigerant circuit

Industrial Build Quality: Constructed with a robust sensing mechanism to withstand high-cycle industrial HVAC applications

the fusible link has melted and the entire unit must be replaced

Durable 2NO/2NC contacts support versatile wiring

Trane WHL1171 Blower Wheel 321894-709 Always verify your specific thermostatThe Trane WHL1171 Blower Wheel is a precision engineered OEM replacement part designed for high static pressure applications in furnace and air handler assemblies. Featuring an 11 inch diameter and a 7 inch width, this CW (clockwise) rotation wheel ensures optimal CFM delivery and static balance. The 1 2" bore hub is machined for a secure press fit or set screw attachment to standard blower motor shafts, minimizing vibration and mechanical strain on