Tesla Titanium Immersion Heater - 27 inch with incoloy thermostat pocket Power: 240 volt, 3 kW Element Boss: 2.1/4 Element Length: 27 Thermostats: High Limit & Control Element Material: Titanium * Suitable for stainless steel and copper cylinders * Suitable for hard water areas *Available in 11, 14, & 27 Length Immersion heaters are manufactured and approved to EN 60335-2-73. All Immersion Heaters are supplied with a dual safety thermostat, instructions and sealing washer.