§Focture1、Water/oil dual purpose mmachine can use either water or oil heating medium.2、Optional PID temperature controllers are used for accurate control of temperature within±1℃3、Two step heating selector gives rapid temperature increase control when required thus saning time & power I.e. Start up in mornings。4、Safety device containing an audible alarm will break the circuit automatically when the pump is overloaded,temperature overheats or there is a shortage of oil or water.