Resideo AT140B1297/B Transformer 340155-7026 though specifications should be verified

though specifications should be verified against the unit's data plate

Leak-Free Performance: Engineered for zero percent leakage

Once the board "sees" a damper

meaning the switch will not automatically close once the temperature drops

Resideo AT140B1297/B Transformer 340155-7026 though specifications should be verifiedProfessional grade power management is critical for modern control circuits, and the Resideo AT140B1297 B Transformer delivers the stability needed for field reliability. This 40VA foot mount transformer is engineered to convert a 120V primary voltage down to a 24V secondary output, making it a standard replacement for residential and light commercial HVAC applications. Built as a Class 2 transformer, it provides the necessary safety isolation for