The Balboa Duplex Transformer 120V 9 Position Plug 30274-1 is a high-quality replacement electrical component designed to supply low-voltage power to your spa’s control system. Engineered for reliability and precise voltage conversion, this transformer ensures proper operation of the circuit board, topside control, and other low-voltage components. It is compatible with select Balboa Duplex and Lite Leader spa systems using an external transformer configuration.

• Transformer Balboa Duplex 120V
• Voltage Conversion — Converts input voltage (115–120V) to low voltage (approximately 12–15V) required for spa electronics.
• System Power Supply — Provides stable power to the control board, topside panel, and relays for proper system operation.
• Direct Replacement Fit — Equipped with a 9-position plug for direct connection to compatible Balboa circuit boards.
• Designed for Duplex Systems — Specifically built for older systems with externally mounted transformers (not integrated on the PCB).
• Reliable Electrical Performance — Ensures consistent voltage output for safe and dependable spa functionality.
• Durable Construction — Built to handle heat and continuous operation within spa packs.
• Compatibility —Compatible with select Balboa Duplex and Lite Leader control systems (120V configuration). Not compatible with systems that use integrated board-mounted transformers. Always verify your spa pack model and part number before ordering.
• Part no. 30274-1

Why choose this product?
This transformer is essential for restoring power to your spa’s control system. Replacing a faulty unit can resolve issues such as no display, unresponsive controls, or intermittent operation, ensuring reliable and consistent performance.