Industrial TRR00014 Transformer

TRR00014 Transformer is a genuine OEM Trane/American Standard replacement part rated at 250 VA, with a primary input range of 240–480 VAC. It is designed for HVAC equipment, commonly installed in packaged rooftop units (RTUs) and air‑handling systems to supply power for low‑voltage control circuits. This transformer provides the necessary power conversion for control boards, relays, and thermostats within Trane/AS units and is cataloged by parts suppliers as the 250 VA TRR00014 replacement. The 240–480 VAC primary makes it compatible with standard utility supply configurations in many residential and light‑commercial installations; when selecting this part, verify compatibility with your specific unit’s service manual or parts diagram to ensure the correct primary voltage and mounting configuration. The TRR00014 designation is frequently used in replacement catalogs and is associated with Trane/American Standard RTU and packaged‑unit families, so confirm fitment for your model before ordering.