Balboa 5.5kW Heater for Tropic Seas Spas
The genuine Balboa 5.5kW flo-thru heater assembly for Tropic Seas Spas built on Balboa control systems. Some Tropic Seas models run the 4.0kW Tonga heater instead — wattage and spa pack generation decide which heater you need, not the model name.
Before you order: “no heat” is not always the heater — dirty filters, flow problems, and sensors mimic heater failure. Match your spa pack label. If you’re unsure, send us a photo of your spa pack label and we’ll confirm the correct heater before it ships.





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