3kW 11 inch immersion heater element complete with thermostat.
Although it is called an 11 inch element, the element part is a little smaller than 11 inch.
This smaller than usual size element is often used for Willis heaters or economy 7 hot water cylinders.
Only for use in copper cylinders, NOT suitable for stainless steel cylinders.
3kW at 240V.
2-1/4 inch BSP thread.
** BSP thread sizes are measured a special way - have a look at our information page for more details **