This model is a 1-to-1 drop-in replacement for 25AUBZ3-1

This 115V single-phase motor operates at 1050 RPM and is built with a 42-frame (5-inch diameter) rolled steel housing

While some hardware may overlap

Using an OEM HVAC fan blade like this 16" 33-degree propeller ensures the unit maintains its rated BTU output without causing excessive vibration or premature HVAC blower motor failure

this relay provides the reliability required to maintain system uptime

Trane CTR2740 Contactor 320720-756 This model is a 1-to-1For contractors servicing heavy duty cooling systems, the Trane CTR2740 Contactor is the industry standard OEM replacement for high amperage electrical switching. This 3 pole HVAC contactor is engineered to handle a 65 Amp load and features a 120V coil, providing the robust power management required for large scale condensers, compressors, and fan motors in both residential and commercial applications. As a genuine Trane OEM part, the CTR2740 (also