Description
Waterway 775‑0010B NEO 2100 Circuit Board Assembly — the exact replacement PCB used in Waterway NEO 2100 spa packs
This board is the brains of the Waterway NEO 2100 spa pack. It manages:
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Pump 1 / Pump 2 outputs
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Heater control
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Temperature sensor inputs
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Topside panel communication
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Ozone / blower outputs (depending on configuration)
