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Raypak's ASME certified heaters are top of the line with their steel construction. With their cupro nickel heat exchangers, they are now more easily applied to salt water systems.
Raypak Pool Heater ASME 337K BTU Natural Gas Low NOx Cupro Nickel
Frequently Bought Together
Cupro-Nickel Fin Tube - Specialty Raypak Digital heaters can be ordered with cupro-nickel fin tube heat exchangers for added protection against aggressive water chemistry. Although rare, there are certain applications, like health club spa’s, where copper is just not the best choice. Cupro-nickel offers superior tolerance to bad and fluctuating water chemistry, thanks to a harder surface and a thicker walled fin tube.