Resideo AT140B1297/B Transformer 340155-7026 maintaining original equipment performance without

maintaining original equipment performance without field modifications

If you notice a slow response in damper modulation or audible air leaks near the actuator housing

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

providing a robust 3-second start cycle to reduce strain on motor windings

Drop-in Compatibility: Standard 48-frame geometry and CCWLE rotation integrate directly with Source 1 and York equipment specifications

Resideo AT140B1297/B Transformer 340155-7026 maintaining original equipment performance withoutProfessional 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