Balboa Circuit Board - Ext. Relay 2 Output US (53426) heaters MoFlow circulation

MoFlow circulation

Ideal for upgrades and replacements

That combination matters because a well-matched heater should restore both warmth and system confidence

Performance-focused motors ensure dependable operation over time

helping manage operation from a convenient interface point

Balboa Circuit Board - Ext. Relay 2 Output US (53426) heaters MoFlow circulationSome spa systems rely on extension relay boards to manage added outputs in a clean and organized way. This 2 output US relay board is designed for compatible applications where those extra control paths need to be restored without replacing the entire control pack. For many repairs, that makes it the smarter and more efficient solution. When an output level relay board begins to fail, the symptoms often affect only certain accessories or functions,