No-Fault Titanium Spa Heater 73791-4KW for Hot Spring / Watkins / Caldera / Tiger River

Replacement No-Fault Titanium spa heater, model 73791-4KW. This 4KW titanium-element heater is intended for use in Hot Spring, Watkins, Caldera and Tiger River spas and hot tubs. Designed as a direct replacement for the factory heater, it matches the original specification for straightforward swap-in installation and reliable spa heating performance.