The Tesla TIH 505 Copper Immersion Heater with Resettable Thermostat (11") is a high-quality, durable heating element designed for efficient water heating. Crafted from premium copper for excellent thermal conductivity and corrosion resistance, this immersion heater ensures rapid heating and long-lasting performance. The resettable thermostat provides enhanced safety by preventing overheating, making it ideal for both residential and commercial hot water systems. Perfect for use in vented hot water cylinders, this 11-inch immersion heater is a reliable and energy-efficient solution for your heating needs.