Oil Filled Electric Radiator Heater. 600,900,1500 triple watt heater. Heating element is factory sealed in mineral oil. Oil is safely heated internally. Thermostat maintains temperature with automatic on,off cycles.
I couldn't wait for the repclaement or risk the unsafe water so I did a temporary fix by unplugging and unscrewing the two halves of the unit apart, and removing the speaker ..I can sleep and the drinking water is still treated by uv. Some may say this i
