ALCO Controls 22477-313H Printed Circuit Card

The ALCO Controls 22477-313H Printed Circuit Card is a tan-beige PCB module identified by part number 22477-313H and associated with the ETRC-1 family of ALCO Controls electronics. Also cataloged as 22477313H, this printed circuit card functions as a replacement component within compatible ALCO Controls assemblies, carrying the ETRC-1 designation in its labeling. Built as a standard printed circuit card, it presents the familiar tan-beige finish typical of many board-level ALCO components and is designed for integration into matching housings and connectors specified for the 22477-313H/ETRC-1 suite. The part’s concise nomenclature—22477-313H with cross-reference 22477313H—helps technicians verify compatibility with ALCO Controls documentation and service catalogs. This PCB card is a discrete, board-level assembly intended to replace or restore function in eligible ALCO Controls equipment that requires the 22477-313H/ETRC-1 PCB card.