Round stainless steel electrically heated Boiling Baths, the 1026ER regulates from a gentle simmer to a vigorous boil, whereas the 1026E continuously boils. Both fitted with a sheathed immersion heater, constant water level device and resettable thermal cut-out for low water condition. Supplied with a set of ring lids to vary the aperture diameter accommodating different sizes of vessels such as evaporating dishes, glassware and round bottom flasks heated by steam.