As a Class 2 transformer

and 'C' (Common) terminals are correctly mapped to your compressor and fan wires respectively

Engineered with a definitive 333°F trip point

they are not intended for third-party universal plastic boxes

This versatile HVAC motor mounting kit accommodates 48-frame motors and features dual bolt circle patterns at 9 inches and 10

Nordyne 622337 Transformer As a Class 2 transformerWhen you are in the field and dealing with a dropped control circuit on a Nordyne, Intertherm, or Miller furnace, a failed Nordyne 622337 transformer is a common culprit. This genuine OEM HVAC transformer is a critical step down component designed to convert 120V primary line voltage to a stabilized 24V secondary output, providing the necessary 40VA power for 24 volt control boards, contactors, and thermostats. Built with a rugged black metal core and