Exclusive 5.5 kW XL Heat Exchanger™
The 5.5 kW XL Heat Exchanger™ by Cal Spas is the most dependable, longest lasting spa heater in the industry. From the moment water enters the heating chamber, warmth is immediately transferred from the XL Heat Exchanger’s patented design. Instead of immersing heating coils in the spa water, the heating element is coiled around a …
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