To heat water, fuel or oil circulating in pipework up to 15 bar max. These heaters are made of one or two DN 50 vessels in painted carbon steel, M45 screw plug immersion heaters, and a safety thermostat with automatic reset fixed at up to 115°C , or adjustable from 0°C to 300°C. Horizontal wall mounting by an adjustable supports supplied with Non-insulated models (optional wall brackets not fixed to insulated models). Voltage: 230/400 V 3P. Swivelling box IP55.