Century Motors 372A Motor 322838 753 The Carrier HT01CN236 Transformer is The Carrier HT01CN236 Transformer is a heavy duty 208 230V primary to 24V secondary control transformer designed for precise voltage regulation in commercial and residential HVACR systems High operating temperatures typically indicate a high resistance short in a contactor coil or gas valve solenoid downstream that is over taxing the 40VA rating Compatibility with Century 372 and equivalent 5 inch diameter motor specs makes it an essential stock item for emergency service calls the 372A motor simplifies field installation with its double shaft configuration (1 2" diameter with flats) and resilient ring mounting