This Cal Spas 5.5kW 230V flow-through heater assembly (C2550-0011) delivers reliable heating performance for Cal Spas hot tubs and swim spas. Built to OEM specifications, this 230-volt heater features a compact 2" x 15" design that fits seamlessly into your spa's existing plumbing system. The flow-through configuration ensures efficient heat transfer while maintaining consistent water temperature throughout your spa experience.
At Bubbles Supply, we guarantee this heater is an exact fit for your Cal Spas system, backed by our 1-year warranty and same-day shipping on in-stock items. This genuine replacement part resolves common heating issues including insufficient heat output and temperature fluctuations. Professional installation is recommended to ensure proper electrical connections and plumbing integration—always verify your spa's voltage requirements and heater dimensions before installation to confirm compatibility.
