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Balboa Expander Boards

Welcome to the Balboa Expander Boards section of our store.

These small circuit boards are used to expand the capability of certain GS & GL control boxes, allowing you to run additional water pumps or an air blower for example.

Balboa Expander PCB - 2 Pump Relay - GS523DZ

Part Number: HTPS930

£50.64   £43.55
In stock, immediate despatch

2x Pump Expander PCB for GS523DZ control packs & others.