The 15” Flo-Thru Incoloy Heater Assembly with Sensor Tap is a dependable 5.5kW spa heating solution engineered for 240V systems, ideal for both replacements and new installations in hot tubs. The flo-thru heater element delivers exceptional resistance to corrosion and high temperatures, and the included sensor tap detects pressure changes for additional safety measures. Encased in 304 stainless steel housing, this unit is built for durability in demanding spa environments. With integrated safety features like a PSI sensor and guard, and a full set of installation components, it offers a secure and efficient way to maintain consistent water temperature.