Amana-Goodman 0130M00140S Transformer 40VA 120-24V

The Amana-Goodman 0130M00140S Transformer is an essential component in most Heating, Ventilation, and Air Conditioning systems. It’s a step-down transformer that is used to step down the normal 120 VAC from a household electrical circuit to a safer 24VAC required in controlling other low voltage parts in the HVAC unit. The number 40VA on the transformer tells us the amount of power it can handle. It represents the rated voltage of the transformer which in fact is the apparent power it can handle without getting hot. This rating is essential so that the transformer must provide sufficient power to those parts connected to the 24V circuit.